feat(behavior_path_planner_common): add general method for calculating turn signal for bpp modules

[danielsanchezaran]

Description

Add a general method to obtain the correct turnSignalInfo for all behavior path planner modules.
This PR implements only the method itself. The method has been tested with the start planner, goal planner, avoidance and lane change modules as depicted here: #6622
This PR is 1 of 5 and the other PRs will depend on this one (to be linked)

Please see the Above link for further details

After approving this PR, the following PRs implement this method in the bpp modules:

Avoidance: #6626
Lane Change: #6627
Start Planner: #6628
Goal Planner: #6629

Related links

Tests performed

Notes for reviewers

Interface changes

Effects on system behavior

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[satoshi-ota]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 96 lines in your changes are missing coverage. Please review.

Project coverage is 14.83%. Comparing base (6ee9627) to head (48186cd).
Report is 8 commits behind head on main.

Files	Patch %	Lines
...or_path_planner_common/src/turn_signal_decider.cpp	0.00%	69 Missing ⚠️
...havior_path_planner_common/turn_signal_decider.hpp	0.00%	27 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6625      +/-   ##
==========================================
+ Coverage   14.79%   14.83%   +0.04%     
==========================================
  Files        1920     1920              
  Lines      132398   134201    +1803     
  Branches    39345    40636    +1291     
==========================================
+ Hits        19582    19904     +322     
- Misses      90970    92193    +1223     
- Partials    21846    22104     +258     

Flag	Coverage Δ		*Carryforward flag
differential	10.70% <0.00%> (?)
total	14.79% <ø> (ø)		Carriedforward from 6ee9627

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

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