Workaround what it seems a Qt bug, and fully update the emoticon preview label when the current emoticon is changed, avoiding glitches from the previous one.
Workaround what it seems a Qt bug, and fully update the emoticon preview label when the current emoticon is changed, avoiding glitches from the previous one.

BUG: 166385

svn path=/trunk/KDE/kdenetwork/kopete/; revision=857734

josh-wambua/kopete,Jtalk/kopete-fork-xep0136,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,josh-wambua/kopete,josh-wambua/kopete,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,Jtalk/kopete-fork-xep0136,Jtalk/kopete-fork-xep0136