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/repositories/album_api.repository.dart

@@ -36,6 +36,7 @@ class AlbumApiRepository extends ApiRepository implements IAlbumApiRepository {
     String name, {
     required Iterable<String> assetIds,
     Iterable<String> sharedUserIds = const [],
+    String? description,
   }) async {
     final users = sharedUserIds.map(
       (id) => AlbumUserCreateDto(userId: id, role: AlbumUserRole.editor),
@@ -44,6 +45,7 @@ class AlbumApiRepository extends ApiRepository implements IAlbumApiRepository {
       _api.createAlbum(
         CreateAlbumDto(
           albumName: name,
+          description: description,
           assetIds: assetIds.toList(),
           albumUsers: users.toList(),
         ),
@@ -161,6 +163,7 @@ class AlbumApiRepository extends ApiRepository implements IAlbumApiRepository {
       lastModifiedAssetTimestamp: dto.lastModifiedAssetTimestamp,
       shared: dto.shared,
       startDate: dto.startDate,
+      description: dto.description,
       endDate: dto.endDate,
       activityEnabled: dto.isActivityEnabled,
       sortOrder: dto.order == AssetOrder.asc ? SortOrder.asc : SortOrder.desc,
@@ -174,6 +177,7 @@ class AlbumApiRepository extends ApiRepository implements IAlbumApiRepository {
     album.sharedUsers.addAll(users.map(entity.User.fromDto));
     final assets = dto.assets.map(Asset.remote).toList();
     album.assets.addAll(assets);
+
     return album;
   }
 }