Gmail - Archive/Unarchive (#582)

* Disable timer back sync for debug builds.

* Archive / unarchive feature for Gmail.

* Archive folder name override for Gmail.

* Possible crash fix when the next item is being selected after a mail is removed.

* Restore proper account selection after pin/unpin of folder.

* Making sure that incorrect arcive folder id is not saved in Gmailsynchronizer due to migration.

Wino.Server/ServerContext.cs

@@ -86,6 +86,7 @@ public class ServerContext :
 
     private async void SynchronizationTimerTriggered(object sender, System.Timers.ElapsedEventArgs e)
     {
+#if !DEBUG
         // Send sync request for all accounts.
 
         var accounts = await _accountService.GetAccountsAsync();
@@ -102,6 +103,7 @@ public class ServerContext :
 
             await ExecuteServerMessageSafeAsync(null, request);
         }
+#endif
     }
 
     #region Message Handlers