refactor(behavior_path_planner): use updateData()

[kyoichi-sugahara]

Description

🤖 Generated by Copilot at 40f99e0

Refactored the start planner module to improve readability and modularity. Separated the data and state updating functions, and added a new variable to track the backward driving maneuver. Simplified some logic related to the pull out and backward driving actions.

Tests performed

• PASS TIERIV INTERNAL SCENARIOS

Effects on system behavior

Not applicable.

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[codecov]

Codecov Report

Attention: 12 lines in your changes are missing coverage. Please review.

Comparison is base (17984b4) 14.85% compared to head (d07b255) 14.83%.
Report is 16 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5165      +/-   ##
==========================================
- Coverage   14.85%   14.83%   -0.02%     
==========================================
  Files        1627     1627              
  Lines      112684   112953     +269     
  Branches    34814    35008     +194     
==========================================
+ Hits        16741    16762      +21     
- Misses      77180    77417     +237     
- Partials    18763    18774      +11     

Flag	Coverage Δ		*Carryforward flag
differential	12.55% <33.33%> (?)
total	14.85% <ø> (+<0.01%)	⬆️	Carriedforward from 17984b4

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

Files	Coverage Δ
...cene_module/start_planner/start_planner_module.hpp	0.00% <ø> (ø)
...cene_module/start_planner/start_planner_module.cpp	6.07% <33.33%> (+0.77%)	⬆️

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[kosuke55]

LGTM!