Not seeing Work Order Completion date in supply plan supplies and demands view

Summary:

Where can we see the original completion date of a WO in the supplies and demands view?

Content (required):

We are in the supplies and demands view in supply plan(unconstrained) and expected to see the original completion date of a certain WO in the fields old due date or old dock date but these "old" dates are not showing the original completion date of the WO. Where can we see the original completion date of a WO in the supplies and demands view?

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