Multi Prefix 2.18.3

• Improve "batch thread update confirm" UI when setting threads to have no perfix
• Allow filtering UI to filter by "any" and "none" prefixes (ie forum/resource/etc filters)
  • Pushes "Multiple prefixes filter type: and/or" into front-end for any/none handling

• Fix "[XenConcept] Project Manager" support, if installed require v2.1.0+

• Fix missing non/any support for XC/ProjectManager
• Fix possible invalid php array reference accessing for prefix input
• Fix "prefix help" text not showing when using quick-thread creation

• Fix minimum prefixes option did got get applied correctly when removing all prefixes
• Fix edge case when the thread is moved and all prefixes removed did not correctly remove prefixes
• Adjust thread prefix handling for better compatibility with 3rd party add-ons when removing all prefixes

• Fix error when editing forums

• Support XF2.2's "prefix usage help" feature

• Fix editing the first post of a thread did not always reliably update the prefix list in the title
• Fix editing a thread did not actually inject the explicit 'no prefix' option.
  • Instead of needing to awkwardly click away when the selection dialog pops-up, instead on click on the no-prefix option all selected prefixes are removed.

• Revert accidental change to prefix location when editing thread titles

• Require Standard Library by Xon v1.18.0+
• Fix search integration with DBTech eCommerce and DBTech shop

• Improve "article forum" compatibility and multiple filters being clickable filters
• Fix clickable filtering prefixes where added to the watched thread list when watched threads filtering add-on is not enabled/installed