Cannot delete persistent subscription group with name "."

[E14]

It is not possible to remove a persistent connection group with the name .. Other groups can be successfully removed.

Version is 22.10.2.0 Host OS is Windows Server

Reproduce

1. Connect with a client to the stream foo and the group ID .
2. Open Admin UI
3. Persistent Subscriptions, click foo to expand, click delete, delete, ok,

Results in:

• Failure (tap notification to dismiss)
• Failed to delete subscription: Not Found

Workaround

It is possible to remove them through the grpc client, eg. Java

@Inject
EventStoreDBPersistentSubscriptionsClient persistentEsdbClient;

public void removeGroups() {
	try {
		persistentEsdbClient.deleteToStream("foo", ".").get();
	} catch (Exception e){
		throw new RuntimeException(e);
	}
}