OPNSense/core 8c2ac56src/etc/inc interfaces.inc, src/www interfaces.php

interfaces: track6 backports of tickets #3405 and #3406

(cherry picked from commit 98e9a3ef34c0719b0767471f9b5f6d071c142030)
DeltaFile
+23-2src/etc/inc/interfaces.inc
+11-2src/www/interfaces.php
+34-42 files

UnifiedSplitRaw