XWIKI-10051: Improve the performance and flexibility of the Solr search suggest
* Apply new XAR format.

(cherry picked from commit 7ae9c970c70f3cb8f36ace3c74a5631558e72ddf)
XWIKI-10051: Improve the performance and flexibility of the Solr search suggest

(cherry picked from commit 2f702171d55d49fa96652d5259c2fa5744aac4fb)