feat(mobile): add playbackStyle to local asset entity and related database schema (#26596)

* feat: add playbackStyle to local asset entity and related database schema

* implement conversion function for playbackStyle in local sync service

* implement conversion function for playbackStyle in local sync service

* refactor: remove deducedPlaybackStyle from TrashedLocalAssetEntityData

* add playbackStyle column to trashed local asset entity

* make playbackStyle non-nullable across the mobile codebase

* Streamline playbackStyle backfill:
- only backfill local assets playbackStyle in flutter/dart code
- only update trashed local assets in db migration

* bump target database version to 23 and update migration logic for playbackStyle

* set playback_style to 0 in merged_asset.drift as its a getter in base asset

* run make pigeon

* Populate playbackStyle for trashed assets during native migration

mobile/test/drift/main/generated/schema.dart

@@ -23,6 +23,7 @@ import 'schema_v17.dart' as v17;
 import 'schema_v18.dart' as v18;
 import 'schema_v19.dart' as v19;
 import 'schema_v20.dart' as v20;
+import 'schema_v21.dart' as v21;
 
 class GeneratedHelper implements SchemaInstantiationHelper {
   @override
@@ -68,6 +69,8 @@ class GeneratedHelper implements SchemaInstantiationHelper {
         return v19.DatabaseAtV19(db);
       case 20:
         return v20.DatabaseAtV20(db);
+      case 21:
+        return v21.DatabaseAtV21(db);
       default:
         throw MissingSchemaException(version, versions);
     }
@@ -94,5 +97,6 @@ class GeneratedHelper implements SchemaInstantiationHelper {
     18,
     19,
     20,
+    21,
   ];
 }