XWIKI-9533: Be able to specify multiple values for search fields
* Add support for multiple selection when faceting.
XWIKI-9795: Better way to handle advanced search options
* Remove the wiki and space filters from the advanced options because we have them as facets.
XWIKI-9559: Make the list of wikis in which to search for configurable
* We can now use the $wikisSearchableFromMainWiki Velocity variable to control the list of wikis in which to search by default.
XWIKI-9796: Mark default 'Result Type' (Document) in facets as selected
* Reset the sort when the 'Result Type' selection changes because the sort fields depend on the selected result type.
XWIKI-9796: Mark default 'Result Type' (Document) in facets as selected
XWIKI-9795: Better way to handle advanced search options
* Remove the 'Result Type' filter from the Advanced Search options because we have it as facet.