Add node prefix to command line remaps

Author: Roger Strain

launch_ros/launch_ros/descriptions/node.py

@@ -215,7 +215,7 @@ def _create_params_file_from_dict(self, params):
 
     def _get_parameter_rule(self, param: 'Parameter', context: LaunchContext):
         name, value = param.evaluate(context)
-        return f'{name}:={yaml.dump(value)}'
+        return f'{self.__expanded_node_name}:{name}:={yaml.dump(value)}'
 
     def prepare(self, context: LaunchContext, executable: Executable, action: Action) -> None:
         self._perform_substitutions(context, executable.cmd)