Refresh branch cache after `git gc`
As discussed in !5160 (merged), we should refresh the branch name list after expiring to make sure we are in a good state and that we do not affect view performance (as much).
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
As discussed in !5160 (merged), we should refresh the branch name list after expiring to make sure we are in a good state and that we do not affect view performance (as much).