Adding cone primitives.

[bperseghetti]

🦟 Bug fix

Summary

This helps add the missing cone geometry for primitive/basic parametric shapes:

And is also valuable for visualizations of emitters/source that typically have conic-based spread as seen in this acoustic attack on an IMU by showing the affected area:

Associated PRs:

• https://github.com/gazebosim/gz-gui/pull/621
• https://github.com/gazebosim/gz-math/pull/594
• https://github.com/gazebosim/gz-msgs/pull/442
• https://github.com/gazebosim/gz-physics/pull/639
• https://github.com/gazebosim/gz-rendering/pull/1003
• https://github.com/gazebosim/gz-sim/pull/2410
• https://github.com/gazebosim/sdformat/pull/1418

Checklist

• [x] Signed all commits for DCO
• [x] Added tests
• [x] Updated documentation (as needed)
• [x] Updated migration guide (as needed)
• [x] Consider updating Python bindings (if the library has them)
• [x] codecheck passed (See contributing)
• [x] All tests passed (See test coverage)
• [x] 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.