fix(widgets): wrap user avatar in Directionality to resolve layout issues

- Add Directionality widget around NotificationIndicator in both DiscoverSliverAppBar and FeedSliverAppBar
- Use Directionality.of(context) to inherit the correct text direction
- This change ensures proper layout behavior for right-to-left languages

Author: fulleni

lib/discover/widgets/discover_sliver_app_bar.dart

@@ -79,13 +79,16 @@ class DiscoverSliverAppBar extends StatelessWidget
                 child: BlocSelector<AppBloc, AppState, bool>(
                   selector: (state) => state.hasUnreadInAppNotifications,
                   builder: (context, showIndicator) {
-                    return NotificationIndicator(
-                      showIndicator: showIndicator,
-                      child: BlocSelector<AppBloc, AppState, User?>(
-                        selector: (state) => state.user,
-                        builder: (context, user) {
-                          return UserAvatar(user: user);
-                        },
+                    return Directionality(
+                      textDirection: Directionality.of(context),
+                      child: NotificationIndicator(
+                        showIndicator: showIndicator,
+                        child: BlocSelector<AppBloc, AppState, User?>(
+                          selector: (state) => state.user,
+                          builder: (context, user) {
+                            return UserAvatar(user: user);
+                          },
+                        ),
                       ),
                     );
                   },

lib/headlines-feed/widgets/feed_sliver_app_bar.dart

@@ -85,13 +85,16 @@ class FeedSliverAppBar extends StatelessWidget implements PreferredSizeWidget {
                 child: BlocSelector<AppBloc, AppState, bool>(
                   selector: (state) => state.hasUnreadInAppNotifications,
                   builder: (context, showIndicator) {
-                    return NotificationIndicator(
-                      showIndicator: showIndicator,
-                      child: BlocSelector<AppBloc, AppState, User?>(
-                        selector: (state) => state.user,
-                        builder: (context, user) {
-                          return UserAvatar(user: user);
-                        },
+                    return Directionality(
+                      textDirection: Directionality.of(context),
+                      child: NotificationIndicator(
+                        showIndicator: showIndicator,
+                        child: BlocSelector<AppBloc, AppState, User?>(
+                          selector: (state) => state.user,
+                          builder: (context, user) {
+                            return UserAvatar(user: user);
+                          },
+                        ),
                       ),
                     );
                   },