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/widgets/album/album_action_filled_button.dart

@@ -16,7 +16,7 @@ class AlbumActionFilledButton extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Padding(
-      padding: const EdgeInsets.only(right: 16.0),
+      padding: const EdgeInsets.only(right: 8.0),
       child: FilledButton.icon(
         style: FilledButton.styleFrom(
           padding: const EdgeInsets.symmetric(vertical: 0, horizontal: 16),
@@ -32,9 +32,7 @@ class AlbumActionFilledButton extends StatelessWidget {
         ),
         label: Text(
           labelText,
-          style: context.textTheme.labelMedium?.copyWith(
-            fontWeight: FontWeight.w600,
-          ),
+          style: context.textTheme.labelLarge?.copyWith(),
         ),
         onPressed: onPressed,
       ),