Pass by Reference Parameter Nodes are not correctly receiving input value

Calling the Dynamic Material node by right clicking in the UMG Widget Blueprint Graph yields a node which is not accessible.

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1. Open QAGame Editor
2. Create a New Widget Blueprint
3. In the Event Graph, right click and add a Get Dynamic Material node

RESULTS: Node is not accessible

EXPECTED: Same node which comes in when you pull off of a Brush should appear.

[BUG] GetDynamicMaterial node broken