REGRESSION: user32_winetest:msg has regressed

http://reactos.org/testman/compare.php?ids=5540,5542
Regression happened in 51450

Commit message:
[User32|Win32k]

• Isolated Alt-Tab/Esc issues. Placed update_input_key_state when posting to a queue like wine. This fixed the shift key checks. The Alt-Space is handled after a Translate Message call (WM_SYSCHAR), developers need to check application code to help support it (ConCtrl32). Will move AltSwitch.c from win32csr and port patch from CORE-4900 to User32. ReactOS registers the Switch Class in Win32k and it is not used.

• Implemented the rest of HotKey Support. ReactOS Explorer does not save hotkey actions.

• See related bugs 1091.

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CCing Jimtabor as he is working in this problem and the regression is related to his commit.