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Changes:

1. Adds two new GR1 humanoid environments to isaaclab_tasks extension. A
beaker pouring task (nut pouring) and an exhaust pipe pick/place task
(exhaust pipe)
2. Adds the corresponding Mimic envs for the two new GR1 tasks to
isaaclab_mimic extension.
3. Adds a processed action recorder term to record post step processed
actions.
4. Update recorder script to remove cameras from envs if using XR
handtracking device.

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- New feature (non-breaking change which adds functionality)

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [ ] 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
- [ ] 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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---------
Co-authored-by: Kelly Guo <kellyguo123@hotmail.com>
Co-authored-by: Kelly Guo <kellyg@nvidia.com>