How do I save changes made in the new Redwood Inventory Management Landing Page > 'Edit Page Layout'

Summary:

changes made in the new Redwood Inventory Management Landing Page > 'Edit Page Layout' are not saved

Content (please ensure you mask any confidential information):

In our TEST environment, we have enabled the new Redwood Inventory Management Landing Page. I am able to see the EDIT PAGE LAYOUT button, and I am able to use Visualization Configuration to build and display a bar chart that can be added from the Library under the Edit Page Layout button. So I can build the analysis in OTBI, I can access Visualization Configuration, I can see the new Visualization in the Library list, I can drag that new Visualization bar chart into the Inventory Landing Page to view it. Once I click EXIT EDIT PAGE