A user registers for an event and chooses Offline payment method. The user then receives the event-confirmation-email.
An admin later sends the request-payment email from the backend and the user receives a link to pay online. The user clicks the payment link in the email and pays online.
Then, the user receives the registration email from "user_email_body" setup. This is not correct and is confusing. Instead of the event-confirmation-email, in this case, the user should receive another type of email, something like, payment confirmation email. So, I think, there should be another set of emails, like "payment_confirmation_email_body" and "payment_confirmation_email_subject" for this use case.
