web proxy: tweak previous

We can't fix reconfigure, but at least we can split up restart
to be an explicit stop start to push 'squid -z -N' into the middle.

PR: https://github.com/opnsense/core/issues/2008

src/etc/inc/plugins.inc.d/squid.inc

@@ -40,6 +40,7 @@ function squid_services()
                 'start' => array('proxy start'),
                 'stop' => array('proxy stop'),
             ),
+            'pid' => '/var/run/squid/squid.pid',
             'name' => 'squid',
         );
     }

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

@@ -19,16 +19,16 @@ message:stopping proxy
 
 [restart]
 command:
-    /usr/local/opnsense/scripts/proxy/setup.sh;
     /usr/local/etc/rc.plugins_configure webproxy restart;
-    /usr/local/etc/rc.d/squid restart
+    /usr/local/etc/rc.d/squid stop;
+    /usr/local/opnsense/scripts/proxy/setup.sh;
+    /usr/local/etc/rc.d/squid start
 parameters:
 type:script
 message:restarting proxy
 
 [reconfigure]
 command:
-    /usr/local/opnsense/scripts/proxy/setup.sh;
     /usr/local/etc/rc.plugins_configure webproxy reconfigure;
     /usr/local/etc/rc.d/squid reload
 parameters: