message: Fix mis-place of main About view (mac)
diff: <windowStyleMask key="styleMask" titled="YES" closable="YES"/>
  <rect key="contentRect" x="196" y="240" width="314" height="356"/>
  <rect key="screenRect" x="0.0" y="0.0" width="1680" height="1027"/>
  - <view key="contentView" misplaced="YES" id="2">
  - <rect key="frame" x="0.0" y="0.0" width="314" height="356"/>
  + <view key="contentView" id="2">
  + <rect key="frame" x="0.0" y="0.0" width="314" height="388"/>
  <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
  <subviews>
  <box boxType="custom" cornerRadius="4" title="Box" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="07H-pU-KmW">
  