chore(mobile): translate missing strings (#22057)

mobile/lib/widgets/asset_viewer/bottom_gallery_bar.dart

@@ -98,7 +98,12 @@ class BottomGalleryBar extends ConsumerWidget {
         if (isDeleted) {
           // Can only trash assets stored in server. Local assets are always permanently removed for now
           if (context.mounted && asset.isRemote && isStackPrimaryAsset) {
-            ImmichToast.show(durationInSecond: 1, context: context, msg: 'Asset trashed', gravity: ToastGravity.BOTTOM);
+            ImmichToast.show(
+              durationInSecond: 1,
+              context: context,
+              msg: 'asset_trashed'.tr(),
+              gravity: ToastGravity.BOTTOM,
+            );
           }
           removeAssetFromStack();
         }

mobile/lib/widgets/asset_viewer/cast_dialog.dart

@@ -29,7 +29,7 @@ class CastDialog extends ConsumerWidget {
           future: ref.read(castProvider.notifier).getDevices(),
           builder: (context, snapshot) {
             if (snapshot.hasError) {
-              return Text('Error: ${snapshot.error.toString()}');
+              return Text('error_saving_image'.tr(args: [snapshot.error.toString()]));
             } else if (!snapshot.hasData) {
               return const SizedBox(height: 48, child: Center(child: CircularProgressIndicator()));
             }

mobile/lib/widgets/map/map_asset_grid.dart

@@ -275,7 +275,7 @@ class _MapSheetDragRegion extends StatelessWidget {
                   child: IconButton(
                     icon: Icon(Icons.map_outlined, color: context.textTheme.displayLarge?.color),
                     iconSize: 24,
-                    tooltip: 'Zoom to bounds',
+                    tooltip: 'zoom_to_bounds'.tr(),
                     onPressed: () => onZoomToAsset?.call(value!),
                   ),
                 ),