Component Inspector with common widget pose plotting

[AzulRadio]

Signed-off-by: youhy haoyuan2019@outlook.com

New feature

As mentioned here #1571. This PR implements the component inspector's pose with the common widget pose that has the plotting feature. Then we can forward-port gz-sim citadel (3) to fortress (6) without a recession of features.

This PR should be merged after both gazebosim/gz-gui#439 and the forward porting for #1571 from citadel to fortress are merged.

Summary

See GIF in gazebosim/gz-gui#439

Test it

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• 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 #1607 (5d2ab17) into ign-gazebo6 (8c9489d) will increase coverage by 0.02%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           ign-gazebo6    #1607      +/-   ##
===============================================
+ Coverage        64.40%   64.43%   +0.02%     
===============================================
  Files              320      320              
  Lines            25892    25892              
===============================================
+ Hits             16677    16683       +6     
+ Misses            9215     9209       -6     

Impacted Files	Coverage Δ
src/SimulationRunner.cc	91.89% <0.00%> (+0.95%)	⬆️

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[jennuine]

LGTM, will approve once a new gz-gui6 has been released. Left some minor comments