feat(multi_object_tracker): add velocity observation

[purewater0901]

Description

Currently, Kalman filter in the multi-object tracker cannot update its velocity with the observed velocity value when the measurement object has valid velocity value. In this PR, I change the tracker that can accept the velocity term when it can use velocity.

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Tests performed

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[codecov]

Codecov Report

Merging #696 (ab7d56c) into main (202fd98) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #696      +/-   ##
==========================================
- Coverage   10.59%   10.55%   -0.04%     
==========================================
  Files         735      735              
  Lines       51761    51941     +180     
  Branches     6596     6596              
==========================================
  Hits         5484     5484              
- Misses      41817    41997     +180     
  Partials     4460     4460              

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <0.00%> (?)
total	10.59% <0.00%> (ø)		Carriedforward from 46d74ad

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

Impacted Files	Coverage Δ
...ject_tracker/tracker/model/big_vehicle_tracker.hpp	0.00% <ø> (ø)
...t_tracker/tracker/model/normal_vehicle_tracker.hpp	0.00% <ø> (ø)
..._tracker/src/tracker/model/big_vehicle_tracker.cpp	0.00% <0.00%> (ø)
...acker/src/tracker/model/normal_vehicle_tracker.cpp	0.00% <0.00%> (ø)

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[yukkysaito]

LGTM