[Misc] Fix mainwiki-ui old names.
Merge pull request #56 from gdelhumeau/master

[Misc] Fix mainwiki-ui old names.
Merge pull request #55 from gdelhumeau/XWIKI-9738

XWIKI-9738: Finalize migration from workspaces to the new wiki API.
XWIKI-9738: Finalize migration from workspaces to the new wiki API.

* Add new migrators to xwiki-enterprise-data.