Inspect more components

[chapulina]

🎉 New feature

Part of #158

Summary

I'm adding some components to debug a project. Will open for review once I get a chance to clean this up.

Test it

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• 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

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[codecov]

Codecov Report

Merging #1090 (2674129) into ign-gazebo6 (15b664b) will decrease coverage by 0.11%.
The diff coverage is 0.00%.

❗ Current head 2674129 differs from pull request most recent head df5fba4. Consider uploading reports for the commit df5fba4 to get more accurate results

@@               Coverage Diff               @@
##           ign-gazebo6    #1090      +/-   ##
===============================================
- Coverage        63.84%   63.73%   -0.12%     
===============================================
  Files              256      256              
  Lines            20077    20112      +35     
===============================================
  Hits             12818    12818              
- Misses            7259     7294      +35     

Impacted Files	Coverage Δ
.../plugins/component_inspector/ComponentInspector.cc	4.89% <0.00%> (-0.35%)	⬇️

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[chapulina]

Part of this went in with #1143 and the rest doesn't work well, so I'll close this.