fix(mobile): fix database out of size (#11065)

mobile/lib/main.dart

@@ -104,7 +104,7 @@ Future<Isar> loadDb() async {
       if (Platform.isIOS) IOSDeviceAssetSchema,
     ],
     directory: dir.path,
-    maxSizeMiB: 256,
+    maxSizeMiB: 1024,
   );
   Store.init(db);
   return db;

mobile/test/test_utils.dart

@@ -50,7 +50,7 @@ final class TestUtils {
         AndroidDeviceAssetSchema,
         IOSDeviceAssetSchema,
       ],
-      maxSizeMiB: 256,
+      maxSizeMiB: 1024,
       directory: "test/",
     );