fix: prevent numeric input from submitting forms

[edoardolincetto]

Fixes #1207

PR Checklist

• My branch is up-to-date with the Upstream main branch.
• The unit tests pass locally with my changes (if applicable).
• I have added tests that prove my fix is effective or that my feature works (if applicable).
• I have added necessary documentation (if appropriate).

Short description of what this resolves:

Risolve un bug in cui il clic sui pulsanti di incremento (+) o decremento (-) degli input numerici causava l'invio involontario del form.

Changes proposed in this Pull Request:

• Aggiunto l'attributo type="button" ai pulsanti di incremento e decremento nei controlli di input numerico.

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Project	Deployment	Preview	Updated (UTC)
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[astagi]

Thanks @edoardolincetto !