neon: fix LoginPage overflow

packages/neon/neon/lib/src/pages/login.dart

@@ -165,74 +165,64 @@ class _LoginPageState extends State<LoginPage> {
                     : Center(
                         child: Scrollbar(
                           interactive: true,
-                          child: ListView(
-                            primary: true,
-                            shrinkWrap: true,
+                          child: SingleChildScrollView(
                             padding: const EdgeInsets.symmetric(vertical: 40, horizontal: 20),
-                            children: [
-                              SizedBox(
-                                height: MediaQuery.of(context).size.height / 2,
-                                child: Column(
-                                  children: [
-                                    SvgPicture.asset(
-                                      'assets/logo.svg',
-                                      width: 100,
-                                      height: 100,
-                                    ),
-                                    Text(
-                                      Provider.of<Branding>(context, listen: false).name,
-                                      style: Theme.of(context).textTheme.titleLarge,
-                                    ),
-                                    const SizedBox(
-                                      height: 30,
-                                    ),
-                                    Text(AppLocalizations.of(context).loginWorksWith),
-                                    const SizedBox(
-                                      height: 20,
-                                    ),
-                                    const NextcloudLogo(),
-                                  ],
+                            primary: true,
+                            child: Column(
+                              children: [
+                                SvgPicture.asset(
+                                  'assets/logo.svg',
+                                  width: 100,
+                                  height: 100,
+                                ),
+                                Text(
+                                  Provider.of<Branding>(context, listen: false).name,
+                                  style: Theme.of(context).textTheme.titleLarge,
+                                ),
+                                const SizedBox(
+                                  height: 30,
                                 ),
-                              ),
-                              Form(
-                                key: _formKey,
-                                child: TextFormField(
-                                  focusNode: _focusNode,
-                                  decoration: const InputDecoration(
-                                    hintText: 'https://...',
+                                Text(AppLocalizations.of(context).loginWorksWith),
+                                const SizedBox(
+                                  height: 20,
+                                ),
+                                const NextcloudLogo(),
+                                Form(
+                                  key: _formKey,
+                                  child: TextFormField(
+                                    focusNode: _focusNode,
+                                    decoration: const InputDecoration(
+                                      hintText: 'https://...',
+                                    ),
+                                    keyboardType: TextInputType.url,
+                                    initialValue: widget.serverURL,
+                                    validator: (final input) => validateHttpUrl(context, input),
+                                    onFieldSubmitted: (final input) {
+                                      if (_formKey.currentState!.validate()) {
+                                        _loginBloc.setServerURL(input);
+                                      } else {
+                                        _focusNode.requestFocus();
+                                      }
+                                    },
                                   ),
-                                  keyboardType: TextInputType.url,
-                                  initialValue: widget.serverURL,
-                                  validator: (final input) => validateHttpUrl(context, input),
-                                  onFieldSubmitted: (final input) {
-                                    if (_formKey.currentState!.validate()) {
-                                      _loginBloc.setServerURL(input);
-                                    } else {
-                                      _focusNode.requestFocus();
-                                    }
-                                  },
                                 ),
-                              ),
-                              Column(
-                                children: [
-                                  NeonLinearProgressIndicator(
-                                    visible: serverConnectionStateSnapshot.data == ServerConnectionState.loading,
+                                NeonLinearProgressIndicator(
+                                  visible: serverConnectionStateSnapshot.data == ServerConnectionState.loading,
+                                ),
+                                if (serverConnectionStateSnapshot.data == ServerConnectionState.unreachable) ...[
+                                  NeonException(
+                                    AppLocalizations.of(context).errorUnableToReachServer,
+                                    onRetry: _loginBloc.refresh,
+                                  ),
+                                ],
+                                if (serverConnectionStateSnapshot.data == ServerConnectionState.maintenanceMode) ...[
+                                  NeonException(
+                                    AppLocalizations.of(context).errorServerInMaintenanceMode,
+                                    onRetry: _loginBloc.refresh,
                                   ),
-                                  if (serverConnectionStateSnapshot.data == ServerConnectionState.unreachable) ...[
-                                    NeonException(
-                                      AppLocalizations.of(context).errorUnableToReachServer,
-                                      onRetry: _loginBloc.refresh,
-                                    ),
-                                  ],
-                                  if (serverConnectionStateSnapshot.data == ServerConnectionState.maintenanceMode) ...[
-                                    NeonException(
-                                      AppLocalizations.of(context).errorServerInMaintenanceMode,
-                                      onRetry: _loginBloc.refresh,
-                                    ),
-                                  ],
                                 ],
-                              ),
-                            ],
+                              ],
+                            ),
                           ),
                         ),
                       ),