Xon - Search Improvements 2.17.1

• Fix guests searching by user would restart the search query the first time they tried to visit the a different page of the search results

• Requires StandardLib v1.19.0+
• If installed, requires Redis Cache 2.17.0+
• XF2.3 compatibility update
• php 8.4 compatibility fix

• Require StandardLib v1.19.0+
• Code cleanup
• Add getSearchIdFromEntityId() helper method for transforming an XF entity id into the Elasticsearch index id

• Workaround XF2.2.13 does the search beforechecking it it can save it as a cached value, which can result in a query that is massively more complex than expected being sent to elasticsearch
  • This issue practically doesn't occur with stock XFES, but with additional search addons such as ElasticSearch Essentials this can generate unexpected errors

• Support tag/username autocomplete using XFES add-ons todo prefix matching on autocomplete

• Fix viewing the index list could be blocked when elasticsearch is configured but inaccessible

• Improve phrasing of custom search term on the advanced search page.
  • Change the phrase 'search only x' to 'search x only' to match XenForo.
  • Supports arbitrary phrases for 'search x only' by adding the phrase svSearchImprov_search_container.x where x is the content type. Ships with the current customizations:
    • svSearchImprov_search_container.thread: "Search titles and first posts only"
    • svSearchImprov_search_container.conversation: "Search titles and first messages only"