* Allow admins to initiate ownership transfer from the CRM

* Add stronger assertion for bulk invite action

* Fix compile warning

* Move bulk transfer logic to Sites module

* Replaces unused variables with _

* Add typespec for `bulk_transfer_ownership`

* Extract from keywordlist options instead of matching

* Fix and extend bulk transfer tests

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Co-authored-by: Adrian Gruntkowski <adrian.gruntkowski@gmail.com>