ID 585576 - NetworkMaterialEdit reverts exposed parameters back to shading node defaults

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Problem summary
When a shading parameter is exposed and then viewed through Network Material Edit, the name reverts back to the shading node default name if the label is empty.
 
Customer reported version
Katana.6.5v4
 
Customer reported platform
Alma9
 
Steps to reproduce
 
  1. Create any material in the Nodegraph such as dlStandard
     
  2. Expose a parameter on the material such as the Base color and make sure that the label in the Material Interface Options for the expose parameter is empty.
     
  3. Connect the material shading network to a Network Material node
     
  4. Connect and view a Network Material Edit under the Network Material node
 
Expected behaviour
Exposed parameters revert back to shading node defaults
 
Actual behaviour
Exposed parameters should retain their defined names when edited with Network Material Create node.
 
Workaround
When promoting a parameter in a material also make sure that the label is not empty.  
 
Reproduced by support
This bug has been reproduced in:
Katana 7.0v4 - Windows 10, Rocky 9
Katana 6.5v4 - Windows 10
Katana 6.0v4 - Windows 10
Katana 6.0v2 - Windows 10, CentOs 7 - Regression
 
Unable to reproduce bug in:
Katana 6.0v1 - Windows 10
Katana 5.0v7 - Windows 10
 
Earliest version tested
Katana 5.0v7/6.0v1 - This issue doesn't appear in this version and has regressed
 

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