xF2 Add-on Optimized List Queries by Xon 2.11.0

• Patch for XF2.1.8 and earlier sorting by position/post_date when getting latest replies, this causes an unexpectedly poor query performance
• Fix shim for News Feed index choice

• Re-release v2.3.0 without debug code

• Require XF2.1+
• Fix "Better xxx List Page Threshold" options actually accepting 0 as a valid value.
  • This is useful to work-around poor MySQL 8+/MariaDb 10.4 performance issues with Collaborative Threads add-on

• Fix 'show older items' in news feed would not return as expected

• Fix XF2.1 compatibility issue when viewing recent activity news-feed as a user who is following other users

• Fix typo causing "Unknown relation _db accessed on xf_news_feed"

• Trim non-required left-joins when generating the eager join inner query

• Improve how the 'node type' cache is extended to be more resilient.