Fixes image preview when fetched from the store.
Fixes image preview when fetched from the store.

andreas-p/nextcloud-server,jbicha/server,endsguy/server,pmattern/server,whitekiba/server,Ardinis/server,pixelipo/server,pmattern/server,jbicha/server,andreas-p/nextcloud-server,xx621998xx/server,endsguy/server,pixelipo/server,jbicha/server,pixelipo/server,pixelipo/server,nextcloud/server,endsguy/server,whitekiba/server,nextcloud/server,michaelletzgus/nextcloud-server,nextcloud/server,endsguy/server,xx621998xx/server,whitekiba/server,Ardinis/server,andreas-p/nextcloud-server,pixelipo/server,michaelletzgus/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,jbicha/server,andreas-p/nextcloud-server,jbicha/server,Ardinis/server,whitekiba/server,endsguy/server,pmattern/server,Ardinis/server,Ardinis/server,xx621998xx/server,pmattern/server,michaelletzgus/nextcloud-server,pmattern/server,michaelletzgus/nextcloud-server,xx621998xx/server,xx621998xx/server,whitekiba/server