Work on spot scenario

lrs_util/json_exec_node.py

@@ -588,7 +588,8 @@ class JsonExecNode():
         self.add_bool_param("camera-data-recording", self.get_param_default(kwargs, "camera_data_recording", False))
         self.add_str_param("speed", self.get_param(kwargs, "speed"))
         self.add_float_param("target-size", self.get_param(kwargs, "target_size"))
-        self.add_float_param("coverage-side", self.get_param(kwargs, "coverage_side"))
+        if "coverage_side" in kwargs:
+            self.add_float_param("coverage-side", self.get_param(kwargs, "coverage_side"))
         self.add_str_param("target-type", self.get_param(kwargs, "target_type"))
         
     def basic_look_at_bearing(self, **kwargs):