[SG-831] Pull Down Sync does not retrieve pending AuthRequests (#2196)

* [SG-831] Pull to refresh forces refresh.

* [SG-831] Expose sync login request method to be used independently

* [SG-831] Change sync order

src/App/Pages/Vault/GroupingsPage/GroupingsPageViewModel.cs

@@ -189,6 +189,7 @@ namespace Bit.App.Pages
             if (await _stateService.GetSyncOnRefreshAsync() && Refreshing && !SyncRefreshing)
             {
                 SyncRefreshing = true;
+                await _syncService.SyncPasswordlessLoginRequestsAsync();
                 await _syncService.FullSyncAsync(false);
                 return;
             }