fix(discover): adjust text overflow handling for source names

- Reduce max lines for source names to 1 in discover page
- Add ellipsis overflow handling for source list page titles
- Ensure text doesn't overflow and is properly displayed on one line

Author: fulleni

lib/discover/view/discover_page.dart

@@ -204,7 +204,7 @@ class _SourceCard extends StatelessWidget {
                   source.name,
                   style: theme.textTheme.bodyMedium,
                   textAlign: TextAlign.center,
-                  maxLines: 2,
+                  maxLines: 1,
                   overflow: TextOverflow.ellipsis,
                 ),
               ),

lib/discover/view/source_list_page.dart

@@ -122,6 +122,7 @@ class _SourceListViewState extends State<_SourceListView> {
                   title: Text(
                     state.sourceType?.l10nPlural(l10n) ??
                         l10n.discoverPageTitle,
+                    overflow: TextOverflow.ellipsis,
                   ),
                   pinned: true,
                   actions: [
@@ -216,7 +217,12 @@ class _SourceListTile extends StatelessWidget {
 
     return ListTile(
       leading: const Icon(Icons.source_outlined),
-      title: Text(source.name, style: theme.textTheme.titleMedium),
+      title: Text(
+        source.name,
+        style: theme.textTheme.titleMedium,
+        maxLines: 1,
+        overflow: TextOverflow.ellipsis,
+      ),
       trailing: TextButton(
         onPressed: () {
           // If the user is unfollowing, always allow it.