Don't interrupt the changelog process when EE has no entries
This corrects a logic error where an empty changelogs/unreleased-ee
folder during an EE release would abort the entire changelog process,
including the CE half.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This corrects a logic error where an empty changelogs/unreleased-ee
folder during an EE release would abort the entire changelog process,
including the CE half.