feat(start_planner): define collision check margin as list (autowarefoundation#5994)

* define collision check margins list in start planner module

Signed-off-by: kyoichi-sugahara <[email protected]>


---------

Signed-off-by: kyoichi-sugahara <[email protected]>

Author: kyoichi-sugahara

planning/behavior_path_planner_common/include/behavior_path_planner_common/utils/parking_departure/common_module_data.hpp

@@ -41,6 +41,8 @@ struct StartGoalPlannerData
 
   Pose refined_start_pose;
   std::vector<Pose> start_pose_candidates;
+  size_t selected_start_pose_candidate_index;
+  double margin_for_start_pose_candidate;
 };
 
 }  // namespace behavior_path_planner