stop service on log out when UI is not active

(cherry picked from commit 2dd8896dc2516eb22b09de432d24922e7a5fab12)

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -1032,6 +1032,9 @@ public class XmppConnectionService extends Service {
                 return START_STICKY;
             case ACTION_TEMPORARILY_DISABLE:
                 toggleSoftDisabled(true);
+                if (checkListeners()) {
+                    stopSelf();
+                }
                 return START_NOT_STICKY;
         }
         manageAccountConnectionStates(action, intent == null ? null : intent.getExtras());