Fix phone number field in checkout

[fditrapani]

Problem

The phone number field in checkout has some weird formatting:It should look like this:

Where

Add a domain to the cart and checkout

[fditrapani]

@Automattic/shilling is this something your team can take a look at?

[github-actions]

OpenAI suggested the following labels for this issue:

• [Feature Group] Checkout: The issue directly relates to a problem in the checkout process where the formatting of the phone number field is affected.
• [Feature] Checkout: This label is specifically about the checkout screen and process, which is the subject of the reported issue.
• [Feature] Customer Seller Experience: The formatting of the phone number impacts the overall customer experience during the purchasing process.

[sirbrillig]

That does look like a bug. 🤔 Added to our board to investigate.

[michaeldcain]

From planning:

Needs some investigation to reproduce before we can prioritize. Moving it to Up Next.