[mob] Rename

mobile/lib/db/ml/db.dart

@@ -9,8 +9,8 @@ import 'package:path_provider/path_provider.dart';
 import "package:photos/core/event_bus.dart";
 import "package:photos/db/common/base.dart";
 import "package:photos/db/ml/base.dart";
-import 'package:photos/db/ml/db_fields.dart';
 import "package:photos/db/ml/db_model_mappers.dart";
+import 'package:photos/db/ml/schema.dart';
 import "package:photos/events/embedding_updated_event.dart";
 import "package:photos/extensions/stop_watch.dart";
 import "package:photos/models/ml/clip.dart";

mobile/lib/db/ml/db_model_mappers.dart

@@ -1,6 +1,6 @@
 import "dart:convert";
 
-import 'package:photos/db/ml/db_fields.dart';
+import 'package:photos/db/ml/schema.dart';
 import "package:photos/generated/protos/ente/common/vector.pb.dart";
 import "package:photos/models/ml/face/detection.dart";
 import "package:photos/models/ml/face/face.dart";

mobile/lib/db/ml/filedata.dart

@@ -1,5 +1,5 @@
 import "package:photos/db/ml/db.dart";
-import "package:photos/db/ml/db_fields.dart";
+import "package:photos/db/ml/schema.dart";
 import "package:photos/services/filedata/model/file_data.dart";
 
 extension FileDataTable on MLDataDB {