Bugfix for input order effecting coord ranges slicing in output

[leifdenby]

Describe your changes

As reported on #81 there is currently a bug in mllam-data-prep where the order of the inputs affects how the coord_ranges selection on the output is applied. This is because the variable holding the coordinate ranges to slice over was being mutated when looping over the output variables.

This was also worked on by @zweihuehner in #87, but something went wrong in the most recent commit there :) I also add a test in this PR to expose the bug to ensure it has been fully fixed.

No change in dependencies needed for this fix

Issue Link

solves #81

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• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
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• 📖 Documentation (Addition or improvements to documentation)

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[leifdenby]

The added test fails now (https://github.com/mllam/mllam-data-prep/actions/runs/21825781800/job/62970260047?pr=90#step:5:28) as it should for all permutations of the inputs apart from those where static is last (the one for which selection over time isn't selected)

[zweihuehner]

looks good to me!

[leifdenby]

thanks for your help @zweihuehner !