MariaDB is now known-to-work for Editorial Comments

Changesets for MariaDB has been added to the Editorial Comments Liquibase files.

(CMS-17682)

Editorial Comments make use of User UUIDs now.

Now the Editorial Comments feature is referencing users by their UUIDs. The database column COMMENTS.CREATOR_ID has been changed. VARCHAR has been replaced by the type of your database which is typically used for UUIDs. An update will be processed automatically on studio-server restart.

(CMS-17064)