feat(behavior_velocity_planner): output stop reason of traffic light whenever a stop point is inserted

[tkimura4]

Description

In the current implementation, when the car stops by the traffic light module and its stop reason is RTC, the stop_reasons of traffic light is not output.
As other behavior modules, I changed that in cases like the above stop_reasons with empty stop_factor_points is output.

Review

1,
Comment out default_enable_list."traffic_light" in rtc_auto_mode_manager.param.yaml

Set a route including stop lines for traffic lights

Confirm the stop_reason of traffic light is output

ros2 topic echo /planning/scenario_planning/status/stop_reasons|grep TrafficLight -A 11

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[taikitanaka3]

LGTM

[h-ohta]

LGTM

[codecov]

Codecov Report

Base: 10.48% // Head: 10.48% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (2c4844b) compared to base (3c0b335).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2323      +/-   ##
==========================================
- Coverage   10.48%   10.48%   -0.01%     
==========================================
  Files        1249     1249              
  Lines       90888    90910      +22     
  Branches    20860    20870      +10     
==========================================
  Hits         9531     9531              
- Misses      71229    71250      +21     
- Partials    10128    10129       +1     

Flag	Coverage Δ		*Carryforward flag
differential	4.21% <0.00%> (?)
total	10.46% <0.00%> (ø)		Carriedforward from 3c0b335

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
...y_planner/src/scene_module/traffic_light/scene.cpp	0.00% <0.00%> (ø)

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