fix(donation-settings): collect transaction fee settings

[dkoo]

All Submissions:

• Have you followed the Newspack Contributing guideline?
• Does your code follow the WordPress' coding standards and VIP Go coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Same fix as #3697, but in the new information architecture.

How to test the changes in this Pull Request:

1. Navigate to Audience > Donations > Configuration to find the "Collect transaction fees" settings card.
2. Follow the same testing instructions as in fix(reader-revenue): collect transaction fee settings #3697.

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?