pfSense

Notification code updates

• Rework how notice queue files are setup and maintained, which should
  allow all users to send notifications now without error. Implements #14337
• Update code for PHP 8.x in frontend and backend
• Fixup repeat message detection a bit to improve chances of it catching...

Correctly shift separators when deleting a single rule above a separator. Fix #14691

Remove the original rule when chaning the rule's interface. Fix #14691

Refactor rule separators. Fix #14691

Fixup PPPoE server input validation. Fixes #13909

Correct PHP errors in CSRF Magic. Fixes #14394

Option to require if select before showing fw rules. Implements #13124

Originally submitted in PR 4582 by Chrisc-c-c at GitHub

Type column for Alias list. Implements #13245

While here, clean up some redundant/incorrect variable usage.

Adapted from PR 4592 submitted by luckman212 @ GitHub

Add a setting for PHP memory limit in System -> Advanced. Feature #13377

Add requested state to status_carp requests. Implements #13804