Load user-uploaded images from the main domain on dev (#18070)
Load user-uploaded images from the main domain on dev (#18070)

* Load user-uploaded images from the main domain on dev

xpis will stay on dedicated CDN domain thanks to ADDONS_URL setting.

* Don't forget the suffix though
diox/olympia,diox/olympia,mozilla/addons-server,mozilla/addons-server,diox/olympia,wagnerand/addons-server,mozilla/olympia,mozilla/olympia,wagnerand/addons-server,mozilla/addons-server,diox/olympia,wagnerand/addons-server,mozilla/olympia,wagnerand/addons-server,mozilla/addons-server,mozilla/olympia