Add action collection for current controller to dialog before showing and reload UI
for other controllers after the dialog is accepted.

There is a known bug at the moment where changing a shortcut from a custom value to
the default shortcut only updates the current tab and tabs created after the change.
This is a kdelibs issue being looked into.

BUG: 161021
BACKPORT: 4.1

svn path=/trunk/KDE/kdebase/apps/konsole/; revision=837726