How to remove the default employee name and number in asset assignment during prepare mass addition?

Summary:

Hi,

The issue is automatic default employee name and number in the assignment portion in assets during prepare assets, please see screenshots:

And the source is coming from PO, how can we disabled that functionalities?

Content (please ensure you mask any confidential information):

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

26C (11.13.26.07.0)

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