add load metric skip condition

Signed-off-by: Kotakku <kotakkucu@gmail.com>

Author: Kotakku

planning/autoware_trajectory_safety_filter/src/trajectory_safety_filter_node.cpp

@@ -137,6 +137,8 @@ void TrajectorySafetyFilter::map_callback(const LaneletMapBin::ConstSharedPtr ms
 
 void TrajectorySafetyFilter::load_metric(const std::string & name)
 {
+  if (name == "") return;
+
   try {
     auto plugin = plugin_loader_.createSharedInstance(name);
 

planning/autoware_trajectory_traffic_rule_filter/src/trajectory_traffic_rule_filter_node.cpp

@@ -122,6 +122,8 @@ void TrajectoryTrafficRuleFilter::map_callback(const LaneletMapBin::ConstSharedP
 
 void TrajectoryTrafficRuleFilter::load_metric(const std::string & name)
 {
+  if (name == "") return;
+
   try {
     auto plugin = plugin_loader_.createSharedInstance(name);