refactor: move theme config to metadata table (#28224)

* refactor: app metadata

* refactor to per row store

* cleanup

* more test

* review changes

* more refactor

* refactor

* migrate primary color

* migrate dynamic theme

* migrate colorfulInterface

* cleanup providers

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/domain/models/store.model.dart

@@ -48,11 +48,6 @@ enum StoreKey<T> {
   enableHapticFeedback<bool>._(126),
   customHeaders<String>._(127),
 
-  // theme settings
-  primaryColor<String>._(128),
-  dynamicTheme<bool>._(129),
-  colorfulInterface<bool>._(130),
-
   syncAlbums<bool>._(131),
 
   // Auto endpoint switching
@@ -95,6 +90,9 @@ enum StoreKey<T> {
   syncMigrationStatus<String>._(1013),
 
   // Legacy keys that have been migrated to the new metadata store
+  legacyPrimaryColor<String>._(128),
+  legacyDynamicTheme<bool>._(129),
+  legacyColorfulInterface<bool>._(130),
   legacyThemeMode<String>._(102),
   legacyLogLevel<int>._(115);