feat(neon): dispose app blocs if a refresh disables the app for the associated account

Signed-off-by: Nikolas Rimikis <leptopoda@users.noreply.github.com>

packages/neon/neon/lib/src/blocs/apps.dart

@@ -58,6 +58,13 @@ class AppsBloc extends InteractiveBloc implements AppsBlocEvents, AppsBlocStates
         return;
       }
 
+      // dispose unsupported apps
+      for (final app in _allAppImplementations) {
+        if (result.requireData.tryFind(app.id) == null) {
+          app.blocsCache.remove(_account);
+        }
+      }
+
       final options = _accountsBloc.getOptionsFor(_account);
       final initialApp = options.initialApp.value ?? _getInitialAppFallback();
       if (initialApp != null) {

packages/neon/neon/lib/src/models/account_cache.dart

@@ -30,6 +30,14 @@ class AccountCache<T extends Disposable> implements Disposable {
     });
   }
 
+  /// Removes [account] and its associated value, if present, from the cache.
+  ///
+  /// If present the value associated with `account` is disposed.
+  void remove(final Account? account) {
+    final removed = _cache.remove(account?.id);
+    removed?.dispose();
+  }
+
   /// The value for the given [account], or `null` if [account] is not in the cache.
   T? operator [](final Account account) => _cache[account.id];
 

packages/neon/neon/test/account_cache_test.dart

@@ -55,5 +55,20 @@ void main() {
       verify(disposable0.dispose).called(1);
       verify(disposable1.dispose).called(1);
     });
+
+    test('remove', () {
+      final cache = AccountCache<DisposableMock>();
+      cache[account0] = disposable0;
+      cache[account1] = disposable1;
+
+      cache.remove(null);
+
+      expect(cache[account0], disposable0);
+      expect(cache[account1], disposable1);
+
+      cache.remove(account0);
+      expect(cache[account0], isNull);
+      verify(disposable0.dispose).called(1);
+    });
   });
 }