change the makeRNSComboBox function to take a name for the selected rns as param

source/RobotAPI/components/units/RobotUnit/DefaultWidgetDescriptions.cpp

@@ -28,11 +28,12 @@ namespace armarx
     {
         StringComboBoxPtr makeRNSComboBox(
             const VirtualRobot::RobotPtr& robot,
+            const std::string& name,
             const std::set<std::string>& preferredSet,
             const std::string& mostPreferred)
         {
             StringComboBoxPtr rns = new StringComboBox;
-            rns->name = "rns";
+            rns->name = name;
             std::string currentPreferred;
             for (const auto& name : robot->getRobotNodeSetNames())
             {

source/RobotAPI/components/units/RobotUnit/DefaultWidgetDescriptions.h

@@ -36,6 +36,7 @@ namespace armarx
     {
         StringComboBoxPtr makeRNSComboBox(
             const VirtualRobot::RobotPtr& robot,
+            const std::string& name = "RobotNodeSet",
             const std::set<std::string>& preferredSet = {},
             const std::string& mostPreferred = "");
     }