Clear salt fileserver cache to ensure the new local.rules file gets picked up on the filesync

setup/so-functions

@@ -891,6 +891,7 @@ create_local_nids_rules() {
 	# Create a local.rules file so it doesn't get blasted on updates
 	mkdir -p /opt/so/saltstack/local/salt/idstools
 	echo "# Custom Suricata rules go in this file" > /opt/so/saltstack/local/salt/idstools/local.rules
+	salt-run fileserver.clear_file_list_cache
 }
 
 create_repo() {