Tag Essentials - with AI auto tagging and XFRM support 2.5.7

• Fixed an issue with the minimum tag cloud widget size being 25 tags
• Made the tag cloud widget work on thread_view

File missing from the install zip of 2.3.6.

Fix "Illegal mix of collations" on MySQL 8+
Thanks to @Xon for the speedy fix.

No longer throws an exception when displaying a tag cloud widget in a non-forum node type, e.g. a search forum.
Our solution is to just not display the tag cloud widget unless it's being passed an XF:Forum entity. Previously it'd always throw an exception if it was passed an XF:SearchForum entity. For our purposes that seems reasonable, since there's no good reason to display a tag cloud widget when the threads are coming from all over the place

Changes:

• Fix tag cloud incorrectly excluding tags when filtering by category or the current forum
• Change Tag Cloud category filtering to support including [no category] and [specific categories] with the result that certain categories (the omitted ones) can be excluded.
• Change tag cloud to compute per-forum usage counts instead of global usage counts when limited to specific forums
• Add "forum limit" option to control which forums are searched for threads with tags (defaults to current forum)
• Add tag filter tab to filter bar and a tags input to the filter dropdown

This release brings a nice, new content discovery feature in the forum-specific tag cloud widget.
If you want to present an alternative way for users to discover your threads, the forum-view tag cloud widget displays the most popular tags used in threads in the current forum (and its sub forums).
And the tag filtering now included in the Filters drop down in thread-view is really nice.

• Fix tag cleanup when deleting a tag category
• Fix "Include Parent Node Tags" option not being respected
• Fix new tag watch alerts not being associated with add-on
• XF2.2 compatibility fix, remove duplicate tag row for batch update threads form

Compatibility fix for add-ons extending thread-prefix in the admincp

Reduce some N+1 queries on viewing tag recent contents & top users
This version supports XF2.1 and 2.2

XF2.2 compatibility update;

• Requires php 7.0+
• Now depends on Standard Library by Xon
• Supports XF2.2

Recommend php7.2+

• Fix "InvalidArgumentException: Accessed unknown getter 'ParenTag' "
• Fix "restrict addition of tags to threads in these forums" feature