Add `tootctl domains purge` options to select subdomains and keep domain blocks (#22063)

* Add --include-subdomains option to tootctl domains purge

* Add support for '*.' subdomain wildcard patterns in `tootctl domains purge`

* Fix custom emojis deletion not following subdomain and URI options

* Change `tootctl domains purge` to not purge domain blocks unless --purge-domain-blocks is passed

* Refactor `tootctl domains purge`

* Add feedback on deleted domain blocks