message: Remove close button on 'launch application' panel
diff: </property>
  </widget>
  </item>
  - <item>
  - <widget class="QPushButton" name="close">
  - <property name="text">
  - <string>Close</string>
  - </property>
  - </widget>
  - </item>
  </layout>
  </widget>
  </item>
  