MMS download fails with: Invalid URL: ''

Created by: jackmcdougal

On unrelated note, I came here trying to debug push parsing issue with Tele2 SE: https://paste.ubuntu.com/p/QhCd57JGsB/. It seems to fail with Download issues: org.freedesktop.DBus.Error.InvalidArgs: Invalid URL: '' on both original and your rewrite, so not directly related, but maybe you have an idea what could be wrong given the scope of changes.

Originally posted by @NotKit in https://github.com/ubports/nuntium/issues/8#issuecomment-856001018

@NotKit, did you ever resolve this issue? I am having it as well ... on most recent Dev channel. Thanks!