XWIKI-8744: Introduce per wiki distribution status
* Put back the hard-coded versions for now.
XWIKI-8744: Introduce per wiki distribution status
* Don't ask for previous default UI version when we know there is a previous version (even if there's no previous DW status).
XWIKI-8744: Introduce per wiki distribution status
* Make the step work with current wiki (namespace).
XWIKI-8744: Introduce per wiki distribution status
* Load the previous UI extension with details hidden.
* Reload the default UI extension after repairing the previous UI in order to get the upgrade button.
XWIKI-8744: Introduce per wiki distribution status
* Make sure the "show details" state is consistent across extension display.
* Show the repair button if the extension is installable.
* Add support for hint on extension action buttons.