Menu voice shows only, does not toggle. This allows for highlighting the keyboard short-cut in the menu, where the user expects to find it.
Toggling of dialog is instead shown in a toggling button on the toolbar (advanced search button besides the standard one). Icon is just draft.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@31445 a592a061-630c-0410-9148-cb99ea01b6c8
