can't edit the automatic defaulted line type in catalog Request

Summary:
can't edit the automatic defaulted line type in catalog Request

Content (please ensure you mask any confidential information):

When i Create a catalog request through self service procurement by adding any item to cart, the added lines default the line type of "Goods" and it'd non Editable.

How can i configure this line type to be something else ? i want to have the ability to choose the correct line type just like when i add normal Requisition Line.

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