Verify without blocking the UI mainloop
Also, don't put the long error message in the UI as the user isn't going to know what to do with it.
Fixes some of https://github.com/fwupd/fwupd/issues/4572
Also, don't put the long error message in the UI as the user isn't going to know what to do with it.
Fixes some of https://github.com/fwupd/fwupd/issues/4572