Fix positioning of state-browser-channel-popup when state-browser is not on top.
Fix positioning of state-browser-channel-popup when state-browser is not on top.

allenday/KiwiIRC,iwalkalone69/kiwiirc,kiwiirc/kiwiirc,prawnsalad/kiwiirc-next,ItsOnlyBinary/kiwiirc,iwalkalone69/kiwiirc,kiwiirc/kiwiirc,allenday/KiwiIRC,allenday/KiwiIRC,prawnsalad/kiwiirc-next,ItsOnlyBinary/kiwiirc,ItsOnlyBinary/kiwiirc,iwalkalone69/kiwiirc,kiwiirc/kiwiirc