Karabiner attempt : Block Right-click until KeyUp

<!-- Block right-click context menu until the right click is released -->
<item>
    <name>Block Right-click until KeyUp</name>
    <identifier>private.block_right_click_until_keyup</identifier>
    <autogen>
      __KeyOverlaidModifier__
      PointingButton::RIGHT
    </autogen>
    <block>
      <autogen>__BlockUntilKeyUp__ PointingButton::RIGHT</autogen>
    </block>
</item>