Fix quality dropdown when stream popup closes
Fix quality dropdown when stream popup closes

Keep the current bindings until the next run loop, so the quality
dropdown selection doesn't change when the stream popup closes.

Klaudit/livestreamer-twitch-gui,arclupin/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,Rekapper/livestreamer-twitch-gui,arclupin/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,chhe/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,bastimeyer/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,arclupin/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui