Check if image exists before trying to delete it
Check if image exists before trying to delete it

Fixes an issue when source image was deleted on existing image in the database and uploading a new one would result in error because there is nothing to delete
regnisolbap/Sylius,TheMadeleine/Sylius,antonioperic/Sylius,gmoigneu/platformsh-integrations,mkilmanas/Sylius,Mozan/Sylius,bitbager/Sylius,Brille24/Sylius,vihuvac/Sylius,mbabker/Sylius,videni/Sylius,bitbager/Sylius,lchrusciel/Sylius,gruberro/Sylius,ezecosystem/Sylius,loic425/Sylius,torinaki/Sylius,Mozan/Sylius,diimpp/Sylius,antonioperic/Sylius,CoderMaggie/Sylius,mkilmanas/Sylius,101medialab/Sylius,gseidel/Sylius,torinaki/Sylius,Zales0123/Sylius,gmoigneu/platformsh-integrations,SyliusBot/Sylius,vihuvac/Sylius,itinance/Sylius,ylastapis/Sylius,pjedrzejewski/Sylius,TheMadeleine/Sylius,Pitoune/Sylius,GSadee/Sylius,Joypricecorp/Sylius,venyii/Sylius,Sylius/Sylius,pamil/Sylius,gruberro/Sylius,videni/Sylius,vihuvac/Sylius,dragosprotung/Sylius,kayue/Sylius,loic425/Sylius,GSadee/Sylius,torinaki/Sylius,kayue/Sylius,kayue/Sylius,Brille24/Sylius,antonioperic/Sylius,SyliusBot/Sylius,videni/Sylius,regnisolbap/Sylius,dragosprotung/Sylius,regnisolbap/Sylius,Mozan/Sylius,ylastapis/Sylius,diimpp/Sylius,mbabker/Sylius,foobarflies/Sylius,gorkalaucirica/Sylius,psren/Sylius,foobarflies/Sylius,Arminek/Sylius,lchrusciel/Sylius,pjedrzejewski/Sylius,dragosprotung/Sylius,ezecosystem/Sylius,gmoigneu/platformsh-integrations,ylastapis/Sylius,gseidel/Sylius,NeverResponse/Sylius,venyii/Sylius,bitbager/Sylius,gorkalaucirica/Sylius,bitbager/Sylius,mbabker/Sylius,pamil/Sylius,SyliusBot/Sylius,Arminek/Sylius,foobarflies/Sylius,Sylius/Sylius,videni/Sylius,NeverResponse/Sylius,Arminek/Sylius,psren/Sylius,Zales0123/Sylius,gruberro/Sylius,gorkalaucirica/Sylius,itinance/Sylius,venyii/Sylius,ezecosystem/Sylius,ylastapis/Sylius,gseidel/Sylius,mkilmanas/Sylius,101medialab/Sylius,CoderMaggie/Sylius,Pitoune/Sylius,Sylius/Sylius,Joypricecorp/Sylius,psren/Sylius,itinance/Sylius,Brille24/Sylius,Zales0123/Sylius,vihuvac/Sylius,dragosprotung/Sylius,TheMadeleine/Sylius,Joypricecorp/Sylius,Pitoune/Sylius,ezecosystem/Sylius,lchrusciel/Sylius,NeverResponse/Sylius,torinaki/Sylius,pamil/Sylius,gseidel/Sylius,NeverResponse/Sylius,mbabker/Sylius,loic425/Sylius,CoderMaggie/Sylius,GSadee/Sylius,Pitoune/Sylius,diimpp/Sylius,gorkalaucirica/Sylius,pjedrzejewski/Sylius,itinance/Sylius,101medialab/Sylius,Mozan/Sylius,venyii/Sylius,gruberro/Sylius,Brille24/Sylius,pjedrzejewski/Sylius,TheMadeleine/Sylius,gmoigneu/platformsh-integrations,mkilmanas/Sylius,Mozan/Sylius,CoderMaggie/Sylius,Joypricecorp/Sylius,foobarflies/Sylius,psren/Sylius,regnisolbap/Sylius