feat(dashpay): restore Payments flow

[Syn-McJ]

Issue being fixed or feature implemented

DashPay payments flow needs to be re-integrated.

What was done?

• Payment to contacts was re-integrated.
• Mocked transaction data for contacts.

How Has This Been Tested?

QA

Breaking Changes

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have made corresponding changes to the documentation

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone