Update Neural Snow code from paper revision

[a-charbon]

Purpose

Update all files relating to neural snow depth parameterization code in accordance with recent paper revisions. This includes the Tools modules as well as the tutorials, as well as the associated tests and documentation.

To-do

Content

• ModelTools updated
• DataTools updated
• tool_tests updated to handle new tools and increase code coverage
• tutorial files updated for new content
• climaformatter run over all changed files

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• [ x] I have read and checked the items on the review checklist.