Fixed invalid service names

[ahcorde]

🦟 Bug fix

Fixes gazebosim/gazebo_test_cases#374

Summary

Fixed invalid service names

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #2121 (8455cc6) into gz-sim8 (58a0c0b) will decrease coverage by 0.01%.
Report is 1 commits behind head on gz-sim8.
The diff coverage is 62.50%.

❗ Current head 8455cc6 differs from pull request most recent head 57a8be5. Consider uploading reports for the commit 57a8be5 to get more accurate results

@@             Coverage Diff             @@
##           gz-sim8    #2121      +/-   ##
===========================================
- Coverage    65.45%   65.45%   -0.01%     
===========================================
  Files          323      323              
  Lines        30699    30704       +5     
===========================================
+ Hits         20094    20096       +2     
- Misses       10605    10608       +3     

Files Changed	Coverage Δ
src/SimulationRunner.cc	90.81% <50.00%> (-0.40%)	⬇️
src/systems/user_commands/UserCommands.cc	60.80% <100.00%> (ø)