Fix the spawner to support full wildcard parameter entries (backport #1933)

[mergify]

Fixes #1932

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This is an automatic backport of pull request #1933 done by Mergify.

[codecov]

Codecov Report

Attention: Patch coverage is 46.51163% with 23 lines in your changes missing coverage. Please review.

Project coverage is 62.95%. Comparing base (5bce7bf) to head (a21a733).
Report is 1 commits behind head on humble.

Files with missing lines	Patch %	Lines
controller_manager/test/test_spawner_unspawner.cpp	36.11%	3 Missing and 20 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           humble    #1939      +/-   ##
==========================================
- Coverage   63.01%   62.95%   -0.06%     
==========================================
  Files         109      109              
  Lines       12450    12493      +43     
  Branches     8445     8478      +33     
==========================================
+ Hits         7845     7865      +20     
- Misses        842      845       +3     
- Partials     3763     3783      +20     

Flag	Coverage Δ
unittests	62.95% <46.51%> (-0.06%)	⬇️

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Files with missing lines	Coverage Δ
.../controller_manager/controller_manager_services.py	81.81% <100.00%> (+0.86%)	⬆️
controller_manager/test/test_spawner_unspawner.cpp	52.82% <36.11%> (-1.07%)	⬇️