5.00v Enhancements

Track configuration object creation and changes

• Add creation time, modification time and modifying user to incoming and outgoing webhooks, chat start settings, departments, department groups, mailboxes, response templates and user groups.
• Preserve creation metadata on edits and assign fresh metadata to copies and imports.
• Bump DB_VERSION to 365 and LHC_RELEASE to 500.

execute doc/update_db/update_365.sql for update

Full Changelog: 4.99v...5.00v