User Activity by Xon 2.13.5

Fix tracking users viewing threads in XF2.3

Update a number of addon options to use phrases
Improve extendibility of the add-on
Fix several XF2.3 issues

• Fix XF2.2 support when injecting user activity into a thread

Requires StandardLib v1.19.0+
If installed, requires Redis Cache 2.17.0+
XF2.3 compatibility update
php 8.4 compatibility fix

"Viewing users cut-off" option was ignored and default to 250

• Remove empty addon options

• Add "View user activity counters" permission. Control if the 'x viewing now' counter displays for a given user-group
• Add "View user names/avatars in activity block" permissions. If false, the phrase svUserActivity_viewing_users_are_empty is displayed if it is not empty.
  This can be styled using the css selector #uaThreadViewContainer .empty-list
• Add "Report View" and "Reports List" as options for displaying viewer counts
• Split "Reports viewing container position" from "Viewing container position" for reports, the viewing user block has been adjusted reports.

• Require php 7.2+
• Require StandardLib v1.18.0+
• Require Redis Cache v2.14.0 if redis is used
• Rename some addon options to read better, not functional changes
• Improve performance when pruning view-data for large numbers of threads by using batching when writing to redis

• Require XenForo 2.2+
• Require StandardLib v1.11.0+
• Improve support for rendering templates in the mail & api contexts by correctly injecting template filters/functions into multiple rendering contexts

php 8.1 compatibility fix