fix(lane_change): fix state transition in lane change for multiple module cooperation #4836
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Description
Before this change, reference path may be suddenly changed if the lane change module aborted while avoidance module running.
To fix this problem, I changed the state transition of lane change module and updating root lanelet function.
Related links
Tests performed
TIER IV INTERNAL TEST
Tested in planning simulator.
cap-.2023-08-31-18-47-23.mp4
Notes for reviewers
Interface changes
Not applicable.
Effects on system behavior
Suddenly changing of reference path is fixed.
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