refactor(lane_change): change prev info to non pointer

[zulfaqar-azmi-t4]

Description

🤖 Generated by Copilot at 1193734

This pull request refactors the lane change scene module classes in the behavior path planner to avoid using shared pointers for some member variables. This reduces memory overhead and improves performance. The files affected are base_class.hpp, normal.cpp, and avoidance_by_lane_change.cpp.

Related links

None

Tests performed

Compile in both new and old architecture.
Test using PSIM.

Notes for reviewers

None.

Interface changes

None

Effects on system behavior

None

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[satoshi-ota]

LGTM

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2be9a34) 13.84% compared to head (1193734) 13.84%.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3659    +/-   ##
========================================
  Coverage   13.84%   13.84%            
========================================
  Files        1396     1396            
  Lines       98375    98521   +146     
  Branches    29310    29401    +91     
========================================
+ Hits        13617    13638    +21     
- Misses      69977    70080   +103     
- Partials    14781    14803    +22     

Flag	Coverage Δ		*Carryforward flag
differential	13.10% <0.00%> (?)
total	13.84% <ø> (+<0.01%)	⬆️	Carriedforward from 2be9a34

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

Impacted Files	Coverage Δ
...th_planner/scene_module/lane_change/base_class.hpp	8.88% <0.00%> (-1.12%)	⬇️
...ne_module/lane_change/avoidance_by_lane_change.cpp	0.00% <0.00%> (ø)
...th_planner/src/scene_module/lane_change/normal.cpp	6.62% <0.00%> (+0.03%)	⬆️

... and 4 files with indirect coverage changes

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