[Nexus] Fix `Structure.recenter_k()` and `Structure.recenter()`

[brockdyer03]

Proposed changes

Alternate form of #5345 after discussion with @jtkrogel.

What type(s) of changes does this code introduce?

• Bugfix

Does this introduce a breaking change?

• Yes
• No

What systems has this change been tested on?

Ubuntu 22.04 Python 3.13.8 NumPy 2.3.4

Checklist

Update the following with an [x] where the items apply. If you're unsure about any of them, don't hesitate to ask. This is simply a reminder of what we are going to look for before merging your code.

• • [ ] I have read the pull request guidance and develop docs
• • [ ] This PR is up to date with the current state of 'develop'
• • [ ] Code added or changed in the PR has been clang-formatted
• • [ ] This PR adds tests to cover any new code, or to catch a bug that is being fixed
• • [ ] Documentation has been added (if appropriate)