Optimization/fix slow backup when asset list is long. (#104)

* Handle pause/restart listening to event on_upload_success and reload asset list after navigating back from BackupControllerPage
* Remove unused api endpoint

mobile/lib/modules/home/views/home_page.dart

@@ -33,6 +33,10 @@ class HomePage extends HookConsumerWidget {
       return null;
     }, []);
 
+    void reloadAllAsset() {
+      ref.read(assetProvider.notifier).getAllAsset();
+    }
+
     Widget _buildBody() {
       if (assetGroupByDateTime.isNotEmpty) {
         int? lastMonth;
@@ -86,7 +90,9 @@ class HomePage extends HookConsumerWidget {
                               child: null,
                             ),
                           )
-                        : const ImmichSliverAppBar(),
+                        : ImmichSliverAppBar(
+                            onPopBack: reloadAllAsset,
+                          ),
                     duration: const Duration(milliseconds: 350),
                   ),
                   ..._imageGridGroup