gh-103801: Tools/wasm linting and formatting (#103796)

This PR makes three minor linting adjustments to the `wasm` module
caught by [ruff](https://github.com/charliermarsh/ruff).

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* Issue: gh-103801
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Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>