fix(card): cp-7.59.0 accept other chars on zip code input

[Brunonascdev]

Description

This PR solves the issue where users with alphanumeric ZIP/postal codes (such as those in the UK) are unable to complete the onboarding flow because the ZIP code field only accepts numeric input. The keyboard shown is numeric-only, and the field does not allow typing letters, preventing users from entering valid postal codes.

Changelog

CHANGELOG entry: Fix ZIP Code Input Blocks Letters on Card Onboarding flow

Related issues

Fixes: #22633

Manual testing steps

Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

---

Note

Change keyboardType of the zipCode TextField in PhysicalAddress.tsx from number-pad to default to allow alphanumeric input.

^{Written by Cursor Bugbot for commit 6082943. This will update automatically on new commits. Configure here.}

[github-actions]

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[sonarqubecloud]

Quality Gate failed

Failed conditions
C Maintainability Rating on New Code (required ≥ A)

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