Populate Suggested Buyer field based on Agreement Field

Summary:

How to Populate Suggested Buyer field on Requisition Page based on Agreement Field

Content (required):

Expectation is:

1) If Agreement field is having BPA/CPA number selected/populated >> Suggested Buyer field should not get populated(should be hidden)

2) If Agreement field is not having BPA/CPA number selected/populated >> Suggested Buyer field should get populated(should be shown)

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