feat(mobile): add album description functionality (#18886)

* feat(mobile): add album description functionality

- Introduced a new optional `description` field in the `Album` entity.
- Updated `AlbumViewerPageState` to manage `editDescriptionText`.
- Created `AlbumDescription` and `AlbumViewerEditableDescription` widgets for displaying and editing album descriptions.
- Enhanced `CreateAlbumPage` to include a description input field.
- Implemented backend support for updating album descriptions in `AlbumApiRepository` and `AlbumService`.
- Updated sync logic to handle album descriptions during data synchronization.
- Adjusted UI components to accommodate the new description feature.

* fix dart analysis error

* remove comment that shouldn't be there

* Album header styling

* fix: disable edit after album creation

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/pages/album/album_title.dart

@@ -19,7 +19,11 @@ class AlbumTitle extends ConsumerWidget {
           return const (false, false, '');
         }
 
-        return (album.ownerId == userId, album.isRemote, album.name);
+        return (
+          album.ownerId == userId,
+          album.isRemote,
+          album.name,
+        );
       }),
     );
 
@@ -35,7 +39,12 @@ class AlbumTitle extends ConsumerWidget {
 
     return Padding(
       padding: const EdgeInsets.only(left: 16, right: 8),
-      child: Text(albumName, style: context.textTheme.headlineMedium),
+      child: Text(
+        albumName,
+        style: context.textTheme.headlineLarge?.copyWith(
+          fontWeight: FontWeight.w700,
+        ),
+      ),
     );
   }
 }