Unable to set a Reference depth in an object graph in new UI

Problem

When you view an object graph in the new Assets U, you are unable to change the "Reference Depth" in an object graph

Environment

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Steps to Reproduce

1. View an object graph.
2. Try to change its Reference depth from the default setting "1" to anything else

Expected Results

Reference depth is changed and the object graph reflects it 

Actual Results

As soon as you change the value, the window just closes and when you check the reference depth, it remains as 1.

(Added the recording of the behaviour in Attachments)

Workaround

No workaround available at the moment

Notes