scene hierarchy prototype

[Medyan-Naser]

Describe your changes

Create prototype of scene hierarchy display and control using the vtkGLTFImporter

Issue ticket number and link if any

#2491

Checklist for finalizing the PR

• [ ] I have performed a self-review of my code
• [ ] I have added tests for new features and bugfixes
• [ ] I have added documentation for new features
• [ ] If it is a modifying the libf3d API, I have updated bindings
• [ ] If it is a modifying the .github/workflows/versions.json, I have updated timestamp

Continuous integration

Please write a comment to run CI, eg: \ci fast. See here for more info.

[github-actions[bot]]

You are modifying libf3d public API! :warning:Please update bindings accordingly:warning:! You can find them in their respective directories: python, java, webassembly.

[mwestphal]

Please ask for a review when needed @Medyan-Naser :)

[Medyan-Naser]

@mwestphal I’m back to working on this PR. I’ve rebased it to master and addressed the comments you mentioned earlier. Please review when you have a chance.