Fix the node name overlapping. (backport #3006)

[mergify]

Fixes #3004
The demo for testing is in ros-controls/ros2_control_demos#1028

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This is an automatic backport of pull request #3006 done by [Mergify](https://mergify.com).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.38%. Comparing base (3b74c5c) to head (d2014ad).
⚠️ Report is 1 commits behind head on kilted.

Additional details and impacted files

@@            Coverage Diff             @@
##           kilted    #3015      +/-   ##
==========================================
+ Coverage   89.36%   89.38%   +0.01%     
==========================================
  Files         157      157              
  Lines       18790    18792       +2     
  Branches     1510     1510              
==========================================
+ Hits        16792    16797       +5     
+ Misses       1377     1373       -4     
- Partials      621      622       +1     

Flag	Coverage Δ
unittests	89.38% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...are_interface/src/hardware_component_interface.cpp	81.60% <100.00%> (+0.14%)	⬆️

... and 1 file with indirect coverage changes

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