[misc] Apply the new XAR format.
XWIKI-10019: New Panels are created orphaned
XWIKI-9995: New panels created still in xwiki syntax 2.0
* Make sure the PanelSheet is not applied on the AJAX request to DocumentInformation panel to convert the document syntax (by overwritting the sheet from the query string to let DocumentInformation panel handle the display by its own in this case)