Description

This is the epic for various PayPal refactoring including:

• Replace hosted fields with card fields api
• Update watched values with new useFormData hook

Affects

• PayPal commerce gateway

Visuals

N/A

Testing Instructions

ZIP: https://github.com/impress-org/givewp/actions/runs/14386630005

• Test PayPal commerce gateway on v3 forms using card fields (new)
• Test PayPal commerce gateway on v3 forms using smart buttons (regression test)
• Test PayPal commerce gateway on v2 forms using smart buttons (regression test)
• Test PayPal commerce gateway on v2 forms using hosted fields (regression test)

Pre-review Checklist

• Acceptance criteria satisfied and marked in related issue
• Relevant @unreleased tags included in DocBlocks
• Includes unit tests
• Reviewed by the designer (if follows a design)
• Self Review of code and UX completed