The show/hide hotkey is not functioning properly when yakuake is focused
it doesnt hide the yakuake window, instead the window flashes once like the key has been pressed twice

Reproducible: Always

Steps to Reproduce:
1.open a yakuake window
2.click on the window to gain focus 
3.press F12
4.window flashes instead of hiding

Actual Results:  
window flashes

Expected Results:  
window hides