Structure tensor wrapper

In addition to the wrapper and viz function, I also black formatted some of the my previous merges as I had forgot it. Also increased the width of the local thickness slice index slider to be coherent with the ones in the structure tensor viz function

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• 5f73969d - refactoring for the merge

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• 5f73969d...955e7f8b - 6 commits from branch main
• 3af32cad - Merge branch 'main' into 'structure_tensor_wrapper'

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mentioned in commit 0282cba5