Prohibit self approval for AP payment Initiator than Submitter of the Payment

Summary:

We have enabled the self approval for payment but that only account the creator of the payment, the one who submitted the payment for approval/ processing eventually. we want to restrict the approval/ delegation to the first initiator of the payment too.

Content (please ensure you mask any confidential information):

Under the current workflow, the following scenario appears to be possible:

• User A prepares/creates a payment in the system and leave at stage 1
• User B submits the request (potentially without review) and approval gets triggered
• User B delegates approval back to User A
• User A approves a payment they originally prepared