fix: NaN when string is inputed on quantity input

[EmanuelRamos115]

What's the purpose of this pull request?

Resolves the bug that when typing letters in the quantity input a "NaN" error appears

How it works?

I validated the function to change the input to remove any non-numeric value

How to test it?

Go to the product page and try to enter a value other than a number in the quantity input

https://newswarovskiargentina-cm2bukmqh008u9fpvz46jty9h-rarbnwb8d.b.vtex.app/5662923-conjunto-stilla-tallas-mixtas-multicolor-bano-tono-oro-rosa-11436/p

Checklist

PR Title and Commit Messages

• PR title and commit messages follow the Conventional Commits specification
  • Available prefixes: feat, fix, chore, docs, style, refactor and test

PR Description

• Added a label according to the PR goal - breaking change, bug, contributing, performance, documentation..

Dependencies

• Committed the yarn.lock file when there were changes to the packages

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Name	Status	Preview	Comments	Updated (UTC)
faststore-site	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 31, 2024 8:28pm

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