Add a sync after showing the popup

Author: Felix Mauch

src/main/java/com/fzi/externalcontrol/impl/RequestProgram.java

@@ -78,7 +78,7 @@ public String sendCommand(String command) {
           + "The connection to the remote PC could not be established. "
           + "\", title =\""
           + "connection refused"
-          + "\")";
+          + "\")\nsync()";
     }
     return result;
   }