message: add file menu shortcuts into lumina-xdg
diff: <x>0</x>
  <y>0</y>
  <width>564</width>
  - <height>27</height>
  + <height>28</height>
  </rect>
  </property>
  <widget class="QMenu" name="menuMenu">
  <property name="title">
  - <string>Menu</string>
  + <string>&amp;Menu</string>
  </property>
  <addaction name="actionSave"/>
  <addaction name="actionClose"/>
  