Multi Prefix 2.17.0

• Require StandardLib v1.23.0+
• Fix prefix usage help could cause javascript errors on customized template usage
• Fix prefix usage help may not be escaped properly when rendered into HTML
• Fix editing the first post of a thread did not respect the "Move thread prefixes location" style property, and would cause duplicate prefixes to show up after editing
• Allow RSS feeder to create threads with a given set of prefixes no matter the forum configuration (ie min/max prefix count)
• Add MultiPrefixable::updateOptions helper method to make manipulating MultiPrefixable's options saner, and use constants instead of magic strings.
• Add MultiPrefixable::OPTION_SkipPrefixValidation option to disable prefix validation entirely for automation purposes
• Add style property Move prefix in page title to end (default: false)
• Add Custom user field for per-user thread prefix location option.
  Allows per-user adjustment of the "Move thread prefixes location" style property.
  Recommended to be a radio button custom field with the following option values: none/prefix/subtitle/suffix

• Update installer to better handle very large number of threads upgrading

• Require StandardLib v1.22.0+
• Improvements & work-around when filtering by prefixes on forums with very large number of threads
  • Add fast-path mode when only filtering by a single prefix
  • Reduce query complexity when filtering by multiple prefixes. Still more expenisve than single prefix filtering
  • Add options Single prefix filtering (all) (default false) and Single prefix filtering (for guests or robots) (default false)
    • Disables multi-prefix filtering, this is a performance optimization for forums with very large number of prefixed threads.

• Fix XF2.3 compatibility with "Move thread prefixes location:Sub-title" style property and using em/rem font-sizes

• DB Tech shop v7.0.0+ support
• Fix DB Tech eCommerce v4.1.0+ prefix filtering support

• For XF2.3+, Fix "Move thread prefixes location" style property would fail to apply due to a bad template modification

• Remove leftover select2 css
• Recommend Standard Library by Xon v1.21.9+ due to prefixes may disappear when using the "move thread" dialog.

• Recommend StandardLib v1.21.5+
• Move multi-prefix style properties to "Multi Prefix" group
• Add "Close dropdown on select" style property (default: true).
  This feature requires StandardLib v1.21.5+

• Require StandardLib v1.21.0+
• XF2.3 support
  • Replaces select2 library with a customized choices.js build from StandardLib
• php 8.4+ compatibility fixes
• Fix multi-prefix-content-parent="XF:Thread" being rendered as part of new thread HTML
• Fixes for XenConcept's Project Manager
  • Fix api support for projects
  • Fix cleaning up prefix data when a prefix is deleted for XenConcept's Project Manager
  • Fix internal server error when touching non-functional drafts action for project items
• Improve compatibility with Mod Tools Improvements
• Compatibility with DragonByte eCommerce v4.0.0+
• Compatibility with DragonByte Shop v7.0.0+

• Fix threads could fail to be re-indexed when changing the prefix list
  • This update does not trigger a search index rebuild
• Improve Prefix Essentials compatibility (not yet fully compatible)