spotify: Fix improper search() return value
spotify: Fix improper search() return value

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