Sync calendar events for all accounts for testing.

Wino.Calendar.ViewModels/AppShellViewModel.cs

@@ -217,16 +217,22 @@ namespace Wino.Calendar.ViewModels
         }
 
         [RelayCommand]
-        private void Sync()
+        private async Task Sync()
+        {
+            // Sync all calendars.
+            var accounts = await _accountService.GetAccountsAsync().ConfigureAwait(false);
+
+            foreach (var account in accounts)
             {
                 var t = new NewCalendarSynchronizationRequested(new CalendarSynchronizationOptions()
                 {
-                AccountId = Guid.Parse("5b2e28bb-3179-4a7f-a62b-373878ee2b53"),
+                    AccountId = account.Id,
                     Type = CalendarSynchronizationType.CalendarMetadata
                 }, SynchronizationSource.Client);
 
                 Messenger.Send(t);
             }
+        }
 
         /// <summary>
         /// When calendar type switches, we need to navigate to the most ideal date.