ID 470096 - Clicking on options in custom sceneView knobs clears the node name.

Problem summary
Clicking on options in custom sceneView knobs clears them

Customer reported version
nuke.n/a

Customer reported platform

Steps to reproduce

1) From Nuke, open the Script Editor.

2) Run the following snippet:

n = nuke.nodes.NoOp() 
k = nuke.SceneView_Knob( 'test', 'test' , ["1","2","3"])
k.addItems(["thing"])
n.addKnob(k) 

3) Open the Properties bin of the NoOp node and click the Load column for each item.

Expected behavior
The item should be enabled/disabled when clicked.

Actual behavior
The node name of the item is cleared/erased/disappears.

Workaround
There is no available workaround at this time.

Reproduced by Support in:
Nuke 12.2v5 - Windows 10, macOS 10.14

Nuke 12.2v1 - Windows 10, macOS 10.14

Unable to reproduce bug in:
Nuke 12.1v6 - Windows 10, macOS 10.14

Earliest version tested
Nuke 12.1v6 - This issue doesn't appear in this version and has regressed