Replace fake_sensor_commands with 'mock_sensor_commands

[sjahr]

Fixes: [WARN] [1723039694.916396634] [mock_generic_system]: Parameter 'fake_sensor_commands' has been deprecated from usage. Use'mock_sensor_commands' instead.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.26%. Comparing base (743d20f) to head (91370ee).
Report is 19 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##            main      #61       +/-   ##
==========================================
+ Coverage   0.00%   40.26%   +40.26%     
==========================================
  Files          5       20       +15     
  Lines        352      524      +172     
  Branches       0       33       +33     
==========================================
+ Hits           0      211      +211     
+ Misses       352      308       -44     
- Partials       0        5        +5     

Flag	Coverage Δ
unittests	40.26% <ø> (+40.26%)	⬆️

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[sea-bass]

@sjahr BTW I reacted to these changes in my ros2_kortex PR (Kinovarobotics/ros2_kortex@1f873bb) because it's the branch we're using in the moveit2_tutorials repo and needed this fix.