Bug fixes and enhancements to Mimic.
Changes include:

- Fix bug that causes infinite looping of unsuccessful demos in
annotation script.
- Add auto reset event to pick place GR1 env when rod is dropped off
table
- Update pick place GR1 env task success criteria to be more precise
- Update Mimic docs to use CPU for GR1 teleop for better XR performance
due to running single env

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- Bug fix (non-breaking change which fixes an issue)
- Documentation update
- Environment enhancement

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [ ] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

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