feat(raw_vehicle_cmd_converter): set convert_actuation_to_steering_status false by default

[kosuke55]

Description

In #8588, we introduced new parameter, but it is hard to modify all the prameter file for many vehicles. so set false by default to keep the previous behavior with out parameter file modification.

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How was this PR tested?

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 24.16%. Comparing base (47275fb) to head (765386a).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...le/autoware_raw_vehicle_cmd_converter/src/node.cpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8668      +/-   ##
==========================================
- Coverage   24.18%   24.16%   -0.02%     
==========================================
  Files        1399     1400       +1     
  Lines      102126   102151      +25     
  Branches    38769    38777       +8     
==========================================
- Hits        24700    24686      -14     
- Misses      74900    74959      +59     
+ Partials     2526     2506      -20     

Flag	Coverage Δ		*Carryforward flag
differential	4.58% <0.00%> (?)
total	24.17% <ø> (-0.02%)	⬇️	Carriedforward from 7011ea1

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