message: add file menu shortcuts into lumina-pdf
diff: <x>0</x>
  <y>0</y>
  <width>659</width>
  - <height>24</height>
  + <height>28</height>
  </rect>
  </property>
  <widget class="QMenu" name="menuFile">
  <property name="title">
  - <string>File</string>
  + <string>&amp;File</string>
  </property>
  <addaction name="actionPrint"/>
  <addaction name="separator"/>
  </widget>
  <widget class="QMenu" name="menuPresentation">
  <property name="title">
  - <string>Presentation</string>
  + <string>&amp;Presentation</string>
  </property>
  <widget class="QMenu" name="menuStart_Presentation">
  <property name="title">
  