neon: better utilize theme

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

@@ -61,7 +61,6 @@ class _LoginPageState extends State<LoginPage> {
         child: ConstrainedBox(
           constraints: NeonDialogTheme.of(context).constraints,
           child: Scrollbar(
-            interactive: true,
             child: SingleChildScrollView(
               padding: const EdgeInsets.symmetric(vertical: 40, horizontal: 20),
               primary: true,

packages/neon/neon/lib/src/settings/widgets/settings_list.dart

@@ -14,7 +14,6 @@ class SettingsList extends StatelessWidget {
 
   @override
   Widget build(final BuildContext context) => Scrollbar(
-        interactive: true,
         child: ListView(
           primary: true,
           padding: const EdgeInsets.all(20),

packages/neon/neon/lib/src/theme/colors.dart

@@ -1,5 +1,8 @@
 import 'package:flutter/material.dart';
 
+import 'package:meta/meta.dart';
+import 'package:nextcloud/nextcloud.dart';
+
 /// [Color] constants which represent Nextcloud's
 /// [color palette](https://docs.nextcloud.com/server/latest/developer_manual/design/foundations.html#color).
 abstract final class NcColors {
@@ -14,3 +17,13 @@ abstract final class NcColors {
   /// This color is only used at the users discretion.
   static const Color oledBackground = Colors.black;
 }
+
+@internal
+extension UserStatusTypeColors on UserStatusType {
+  Color? get color => switch (this) {
+        UserStatusType.online => const Color(0xFF49B382),
+        UserStatusType.away => const Color(0xFFF4A331),
+        UserStatusType.dnd => const Color(0xFFED484C),
+        _ => null,
+      };
+}

packages/neon/neon/lib/src/theme/theme.dart

@@ -47,6 +47,7 @@ class AppTheme {
       cardColor: colorScheme.background, // For LicensePage
       snackBarTheme: _snackBarTheme,
       dividerTheme: _dividerTheme,
+      scrollbarTheme: _scrollbarTheme,
       extensions: [
         neonTheme,
         ...?appThemes,
@@ -65,4 +66,8 @@ class AppTheme {
     thickness: 1.5,
     space: 30,
   );
+
+  static const _scrollbarTheme = ScrollbarThemeData(
+    interactive: true,
+  );
 }

packages/neon/neon/lib/src/widgets/list_view.dart

@@ -41,7 +41,6 @@ class NeonListView<T> extends StatelessWidget {
             ),
             Expanded(
               child: Scrollbar(
-                interactive: true,
                 child: ListView(
                   primary: true,
                   key: scrollKey != null ? PageStorageKey<String>(scrollKey!) : null,

packages/neon/neon/lib/src/widgets/user_avatar.dart

@@ -8,6 +8,7 @@ import 'package:neon/src/bloc/result.dart';
 import 'package:neon/src/bloc/result_builder.dart';
 import 'package:neon/src/blocs/accounts.dart';
 import 'package:neon/src/models/account.dart';
+import 'package:neon/src/theme/colors.dart';
 import 'package:neon/src/widgets/cached_image.dart';
 import 'package:nextcloud/nextcloud.dart';
 import 'package:provider/provider.dart';
@@ -119,7 +120,7 @@ class _UserAvatarState extends State<NeonUserAvatar> {
     } else if (result.hasData) {
       decoration = BoxDecoration(
         shape: BoxShape.circle,
-        color: _userStatusToColor(result.data!.status),
+        color: result.data!.status.color,
       );
     }
 
@@ -136,11 +137,4 @@ class _UserAvatarState extends State<NeonUserAvatar> {
       ),
     );
   }
-
-  Color? _userStatusToColor(final UserStatusType userStatusType) => switch (userStatusType) {
-        UserStatusType.online => const Color(0xFF49B382),
-        UserStatusType.away => const Color(0xFFF4A331),
-        UserStatusType.dnd => const Color(0xFFED484C),
-        _ => null,
-      };
 }

packages/neon/neon_files/lib/pages/details.dart

@@ -17,7 +17,6 @@ class FilesDetailsPage extends StatelessWidget {
           title: Text(details.name),
         ),
         body: Scrollbar(
-          interactive: true,
           child: ListView(
             primary: true,
             children: [