How to change Supplier keyword pattern when we enter purchase requisition line?

Summary:

When we enter purchase requisition line, When we enter Supplier name, currently its showing the values with logic as Starts With. The expectation is to show values with logic as contains.

Content (required):

Ex: If I want to search XYZorg. When we enter "Zor", the XYZorg value should show.

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