Fix youtube connector
Fix youtube connector

Get uniqueID from miniplayer if it's active only.

Ref #2121.

fakelbst/Chrome-Last.fm-Scrobbler,galeksandrp/web-scrobbler,fakelbst/Chrome-Last.fm-Scrobbler,inverse/web-scrobbler,david-sabata/web-scrobbler,david-sabata/web-scrobbler,alexesprit/web-scrobbler,alexesprit/web-scrobbler,inverse/web-scrobbler,carpet-berlin/web-scrobbler,galeksandrp/web-scrobbler,carpet-berlin/web-scrobbler