Premier Addons Xen - ElasticSearch Essentials 3.17.13

• Improve detecting CPU core count for xf-rebuild:search-bulk command on non-linux platforms
• Fix similar thread block is being injected after the thread type selection tabs instead of just under the title
• Fix PixelExit theme support on XF2.3+ (expanded search bar didn't trigger autocomplete as expected)

• php 8.4+ compatibility fixes

• Fix "field value function must not produce negative scores".
• If indexing reaction scores and negative reactions exist; manualre-indexing will be required!
• Fix title_suggest would show up as an unexpected mapping
• Add warning to option description that changing "Replace Enhanced Search 2.3's autocomplete implementation" requires re-indexing