gscreen -sensitize only buttons when in override mode

it's hard to see the the current override setting if the display is
greyed out.
gscreen -set focus when onscreen keyboard is launched in MDI/auto

Your pretty much gonna do MDI or editting if you launch the keyboard.
gladevcp -clear the entry and grab focus after issuing a cmd

Now you can keep typing commands each time
gscreen config -fix missing button label in MDI - abort