shaper: make sure dnctl is started before pf

We cannot guarantee this happens via RC, so skip it there and
unconditionally reload it during the filter reload.

src/etc/inc/filter.inc

@@ -373,6 +373,8 @@ function filter_configure_sync($verbose = false, $load_aliases = true)
 
     $fobj->truncate(0)->write($rules);
 
+    configd_run('shaper reload');
+
     @file_put_contents('/tmp/rules.limits', $limitrules);
     mwexec('/sbin/pfctl -Of /tmp/rules.limits');
     exec('/sbin/pfctl -f /tmp/rules.debug 2>&1', $rules_error, $rules_loading);

src/opnsense/service/conf/actions.d/actions_shaper.conf

@@ -1,5 +1,5 @@
 [reload]
-command:/etc/rc.d/dnctl start
+command:/etc/rc.d/dnctl start || true
 parameters:
 type:script
 message:restarting dummynet

src/opnsense/service/templates/OPNsense/Shaper/rc.conf.d

@@ -10,3 +10,4 @@ dummynet_enable="YES"
 dnctl_enable="{%if isEnabled %}YES{% else %}NO{% endif %}"
 dnctl_rules="/usr/local/etc/dnctl.conf"
 dnctl_setup="/usr/local/opnsense/scripts/shaper/setup.sh"
+dnctl_skip="YES"