pfSense/pfsense 6f6299asrc/etc/inc config.lib.inc acb.inc, src/usr/local/www services_acb_settings.php services_acb_backup.php

Fixed #9693
Allow ACB to be suppressed by including magic string in the backup description
Transmit max number of manual backups in the ACB
DeltaFile
+31-2src/etc/inc/config.lib.inc
+7-15src/etc/inc/acb.inc
+13-0src/usr/local/www/services_acb_settings.php
+2-8src/usr/local/www/services_acb_backup.php
+53-254 files

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