Regression: "Lock the taskbar" does not longer visualize its status at all, neither via radio-button nor checkmark

affected ros 0.4.7final
affected ros 0.4.8-dev-232-ge1e79f2.

When you right-click a free taskbar area, there pops up a context menu where you can choose whether taskbar is locked or unlocked.
Currently when you click it the desired operation gets performed, but the state is not longer visualized within that context menu.

That's a regression, it worked before, proof: we even replaced the radio-button with a checkmark once (CORE-12670).

The only thing that gets logged when toggling is:

fixme:(../dll/win32/browseui/shellbars/CBandSite.cpp:678) (0023EA04, 0022F75C)