Disabled rules are not actually included in the firewall's compiled policy that it receives, you can verify this by looking in the $FWDIR/state/__tmp/local.set file on the firewall. At a minimum there is a placeholder for all rules in that file (including the disabled ones) specifying their UID but that is it.
Dameon disabling a rule that is halting SecureXL templating actually will permit templating to continue, please see the screenshots below from R80.10 concerning rule #7:
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