XWIKI-21471: Improve escaping in Solr Space Faucet

.../xwiki-platform-search/xwiki-platform-search-solr/pom.xml

...tform-search-solr/xwiki-platform-search-solr-test/pom.xml

...-solr-test/xwiki-platform-search-solr-test-docker/pom.xml

...cker/src/test/it/org/xwiki/search/solr/test/ui/AllIT.java

...c/test/it/org/xwiki/search/solr/test/ui/SolrSearchIT.java

...-test/xwiki-platform-search-solr-test-pageobjects/pom.xml

...in/java/org/xwiki/search/solr/test/po/SolrSearchPage.java

...h-solr-test/xwiki-platform-search-solr-test-utils/pom.xml

...rc/main/java/org/xwiki/repository/test/SolrTestUtils.java

...search-solr-ui/src/main/resources/Main/SolrSpaceFacet.xml