fix(object_merger): preserve unknown objects close to known objects

[badai-nguyen]

Description

• This PR aims to separate GIoU thresholds for each class when determining whether unknown objects are overlapped with known objects or how far unknown objects are from known objects to enable merging.
• This also could solve issue object_merger removes obsacles around known object #4425

Related link

TIER IV INTERNAL LINK

Tests performed

Some traffic cones detection near by truck was confirmed by internal rosbag.

Effects on system behavior

Not applicable.

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[yukkysaito]

LGTM

[miursh]

@badai-nguyen Could you also modify this config https://github.com/autowarefoundation/autoware.universe/blob/main/perception/object_merger/config/overlapped_judge.param.yaml ?

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01% ⚠️

Comparison is base (0becdc6) 14.89% compared to head (a8baff3) 14.89%.
Report is 9 commits behind head on main.

❗ Current head a8baff3 differs from pull request most recent head ad121ab. Consider uploading reports for the commit ad121ab to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4499      +/-   ##
==========================================
- Coverage   14.89%   14.89%   -0.01%     
==========================================
  Files        1520     1520              
  Lines      104910   104912       +2     
  Branches    31958    31958              
==========================================
  Hits        15623    15623              
- Misses      72222    72224       +2     
  Partials    17065    17065              

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <0.00%> (?)
total	14.89% <ø> (+<0.01%)	⬆️	Carriedforward from 0becdc6

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

Files Changed	Coverage Δ
..._merger/include/object_association_merger/node.hpp	0.00% <ø> (ø)
...ject_merger/src/object_association_merger/node.cpp	0.00% <0.00%> (ø)

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[badai-nguyen]

@miursh I have updated overlapped_judge config here ad121ab

[miursh]

LGTM