XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Better provisioning job system
* Bug fixes
XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Better provisioning job system
* Bug fixes
* Fix XWikiServerClassSheet