RSSP CPA number does not display when entering new requisition line

Summary:

When we enter a new Requisition line and select supplier and Supplier Site, Agreement number is not auto filled. But when we submit the requisition line, it displays the CPA number.

Also when new line is created Agreement number LOV has the Agreement number just that it does not display until the order is submitted.

This is creating an issue when users are not aware that there exists a CPA for that customer.

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Version (include the version you are using, if applicable): 25A

Code Snippet (add any code snippets that support your topic, if applicable):