feature(mobile): allow app to be used offline (#1932)

* feature(mobile): allow app to be used offline

* translatable server/network error message

* adjust profile drawer error message

* call getAllAsset after cold app starts

* fix analyzer error

* update asset state if length differs

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Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/modules/home/ui/home_page_app_bar.dart

@@ -66,6 +66,8 @@ class HomePageAppBar extends ConsumerWidget with PreferredSizeWidget {
                 image:
                     '$endpoint/user/profile-image/${authState.userId}?d=${dummy++}',
                 fadeInDuration: const Duration(milliseconds: 200),
+                imageErrorBuilder: (context, error, stackTrace) =>
+                    Image.memory(kTransparentImage),
               ),
             ),
           ),