ID 508483 - Adding a DWAB encoded EXR file sequence to an existing timeline when using custom layers causes all of the existing layers in the sequence to switch back to rgba.

Problem summary
Adding a DWAB encoded EXR file sequence to an existing timeline when using custom layers causes all of the existing layers in the sequence to switch back to rgba.
 
Customer reported version
hiero.13.1v2
 
Customer reported platform
centos7
 
Steps to reproduce
 
1) Open Hiero and select Start a new project...

2) Open the File menu and select Import File(s)... then add an EXR sequence that is encoded with DWAB and has multiple layers.

3) Drag the sequence into the timeline and in the Viewer, switch the layer to one of the custom layers
 
4) In the Project bin select the file and drag it into the timeline again
 
Expected behaviour
For the layer to stay as the selected custom layer
 
Actual behaviour
The layers change back to rgba
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Hiero 13.2v1 - Windows 10 - macOS 12.3.1 - CentOS 7
Hiero 13.1v1 - Windows 10
Hiero 13.0v1 - Windows 10
Hiero 12.0v1 - Windows 10
Hiero 11.0v1 - Windows 10 - macOS 12.3.1 - centOS 7
 
Earliest version tested
Hiero 11.0v1 - This issue appears to be in all versions of the product