Download asset to local and error fixing (#100)

* Update photo_manager pub package
* Added download endpoint for assets
* Successfully save a photo to the local device's gallery
* Save save a video to the local device's gallery
* Fixed #97
* Added download loading indicator
* Refactor and increase the font size for curated search thumbnail images
* Reposition loading animation on the search result page

mobile/lib/modules/search/views/search_result_page.dart

@@ -1,6 +1,7 @@
 import 'package:auto_route/auto_route.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:flutter_spinkit/flutter_spinkit.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/modules/home/ui/daily_title_text.dart';
 import 'package:immich_mobile/modules/home/ui/draggable_scrollbar.dart';
@@ -107,7 +108,10 @@ class SearchResultPage extends HookConsumerWidget {
       }
 
       if (searchResultPageState.isLoading) {
-        return const CircularProgressIndicator.adaptive();
+        return Center(
+            child: SpinKitDancingSquare(
+          color: Theme.of(context).primaryColor,
+        ));
       }
 
       if (searchResultPageState.isSuccess) {