Add Vendor Field as a Filter in Whitespace Contract Items Overview

What is the problem you are trying to solve?
In the Whitespace contract items overview, it is not possible to apply a filter based on Vendor in the left-hand menu.

In your mind, what does the feature look like?
The Vendor field would be added as a filter option in the left-hand menu of the Whitespace contract items overview.

If this idea is implemented, what is the long-term benefit to your business?
By being able to filter based on Vendors, it will be easier to view all contract items related to a specific vendor, improving clarity and efficiency.