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/login/ui/login_form.dart

@@ -128,9 +128,10 @@ class LoginButton extends ConsumerWidget {
             AutoRouter.of(context).pushNamed("/tab-controller-page");
           } else {
             ImmichToast.show(
-                context: context,
-                msg: "Error logging you in, check server url, email and password!",
-                toastType: ToastType.error);
+              context: context,
+              msg: "Error logging you in, check server url, email and password!",
+              toastType: ToastType.error,
+            );
           }
         },
         child: const Text("Login"));