If a supporter already has answers recorded for a specific question in the custom properties of their contact page, the answers should show up when I log a payment manually and select their contact, in the same way that the name and address fields are populated.

If a donor has already saved answers to a specific question in the custom properties on their contact page, these answers should appear when I manually register a payment and select their contact, in the same way that the name and address fields are filled in.