Fix bug 3799.

Fix bug 3799.

	* src/LyXAction.cpp:
	* src/lfuns.h: remove LFUN_TOOLBAR_TOGGLE_STATE.

	* src/LyXFunc.cpp (getStatus, dispatch): merge LFUN_TOOLBAR_TOGGLE
	and LFUN_TOOLBAR_TOGGLE_STATE. Add an informational message after
	dispatch.

	* src/frontends/LyXView.cpp (toggleToolbarState):
	* src/frontends/Toolbars.cpp (toggleToolbarState): add allowauto
	parameter.

	* src/MenuBackend.cpp (expandToolbars): adapt.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18690 a592a061-630c-0410-9148-cb99ea01b6c8