[New: openFATE 308991] fix diff for accepted requests

Feature added by: Ruediger Oertel (oertel) Feature #308991, revision 1 Title: fix diff for accepted requests Buildservice: New Priority Requester: Important Requested by: Ruediger Oertel (oertel) Description: the hermes message shows a link like https://build.opensuse.org/request/diff/32196 that is already broken by the time you get the notice since the source package is usually deleted already. -- openSUSE Feature: https://features.opensuse.org/308991