Fixed unloading of hotkeys when no media tab open
Fixed unloading of hotkeys when no media tab open

carlin-q-scott/browser-media-keys,gmelikov/browser-media-keys,gmelikov/browser-media-keys,gmelikov/browser-media-keys,miicha/browser-media-keys,carlin-q-scott/browser-media-keys,miicha/browser-media-keys