ReconnectionActivity: intent changed. "Not working" ongoing notification during connection fixed.

app/src/main/java/com/xabber/android/ui/ReconnectionActivity.java

@@ -34,7 +34,9 @@ public class ReconnectionActivity extends Activity {
         super.onCreate(savedInstanceState);
         LogManager.i(this, "onReconnect");
         ConnectionManager.getInstance().updateConnections(false);
-        startActivity(ContactList.createPersistentIntent(this));
+        Intent intent = ContactList.createIntent(this);
+        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
+        startActivity(intent);
         finish();
     }