fdo#84795 Menu, DropDown-List don't disappear with right mouse click

this includes a fix to leave disabled menu entries disabled.

This reverts commit 454f5c3018c6d61d5872f7c23c7590c2157444e4.

Change-Id: Ifb66b0b241378437f040af19ec163da3cb8d815d
Reviewed-on: https://gerrit.libreoffice.org/12061
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>