Fix for Bug 441013 highlighting does not disappear
Fix for Bug 441013 "yakuake: highlight terminals when moving focus -> highlighting does not correctly disappear" https://bugs.kde.org/show_bug.cgi?id=441013 provided by Ebcdic in comment 6 https://bugs.kde.org/show_bug.cgi?id=441013#c6
Fix confirmed in kubuntu 22.04