Despotify: Fix crash when spotify_track is None
Despotify: Fix crash when spotify_track is None

bacontext/mopidy,rawdlite/mopidy,jmarsik/mopidy,bacontext/mopidy,priestd09/mopidy,SuperStarPL/mopidy,hkariti/mopidy,glogiotatidis/mopidy,SuperStarPL/mopidy,tkem/mopidy,dbrgn/mopidy,jodal/mopidy,abarisain/mopidy,hkariti/mopidy,liamw9534/mopidy,bencevans/mopidy,diandiankan/mopidy,kingosticks/mopidy,pacificIT/mopidy,ZenithDK/mopidy,ZenithDK/mopidy,glogiotatidis/mopidy,quartz55/mopidy,mopidy/mopidy,liamw9534/mopidy,diandiankan/mopidy,mokieyue/mopidy,hkariti/mopidy,jcass77/mopidy,mokieyue/mopidy,ali/mopidy,swak/mopidy,rawdlite/mopidy,tkem/mopidy,rawdlite/mopidy,SuperStarPL/mopidy,mopidy/mopidy,dbrgn/mopidy,tkem/mopidy,kingosticks/mopidy,ali/mopidy,woutervanwijk/mopidy,ZenithDK/mopidy,dbrgn/mopidy,jmarsik/mopidy,woutervanwijk/mopidy,mokieyue/mopidy,dbrgn/mopidy,quartz55/mopidy,jmarsik/mopidy,vrs01/mopidy,hkariti/mopidy,glogiotatidis/mopidy,tkem/mopidy,jcass77/mopidy,bencevans/mopidy,adamcik/mopidy,jodal/mopidy,abarisain/mopidy,rawdlite/mopidy,quartz55/mopidy,bacontext/mopidy,diandiankan/mopidy,mokieyue/mopidy,bencevans/mopidy,priestd09/mopidy,vrs01/mopidy,quartz55/mopidy,jcass77/mopidy,bencevans/mopidy,adamcik/mopidy,swak/mopidy,vrs01/mopidy,glogiotatidis/mopidy,bacontext/mopidy,pacificIT/mopidy,SuperStarPL/mopidy,kingosticks/mopidy,vrs01/mopidy,diandiankan/mopidy,mopidy/mopidy,ali/mopidy,priestd09/mopidy,pacificIT/mopidy,swak/mopidy,ZenithDK/mopidy,swak/mopidy,ali/mopidy,jmarsik/mopidy,jodal/mopidy,pacificIT/mopidy,adamcik/mopidy