ID 564412 - Usd Time Sampling string inputs are not properly converted to Katana material attributes

Problem summary
Usd Time Sampling string inputs are not properly converted to Katana material attributes
 
Customer reported version
Katana 4.5v7
 
Customer reported platform
CentOS7
 
Steps to reproduce
 
1) In Katana, create a UsdIn node and set the fileName parameter to the attached .usda file.

2) Set the view node on the created UsdIn node, expand the Scene Graph, select the Basic_Material, and observe the attributes in the Attributes tab

3) The attribute material.parameters is blank while the nodes.FruitTexture_fx.parameters attribute is imported properly and respects the time samples.
 
 
Expected behaviour
Both attributes should be imported as described in the .usd file
 
Actual behaviour
The attribute material.parameters is blank while the nodes.FruitTexture_fx.parameters attribute is imported properly and respects the time samples.
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Katana 6.5v2 - Windows 11 - CentOS7
Katana 6.0v4 - Windows 11 - CentOS7
Katana 5.0v7 - Windows 11 - CentOS7
Katana 5.0v1 - Windows 11 - CentOS7
Katana 4.5v7 - Windows 11 - CentOS7
 
Unable to reproduce bug in:
Katana 4.0v1 - Windows 11
 
Earliest version tested
Katana 4.0v1 - The UsdIn node did not exist before this version