ID 578210 - Copy and pasting export tasks on the top level of the Export Structure will nest them

Problem summary
Copy and pasting export tasks on the top level of the Export Structure will nest them:
 

 
This only seems to happen on the top level so, for example, doesn't happen when pasting the export task inside a folder.
 
Customer reported version
Hiero 15.0v4
 
Customer reported platform
Rocky 9
 
Steps to reproduce
 
1) Open Nuke Studio.
 
2) Create a new empty sequence (Ctrl+N).
 
3) Right click the sequence item in the Project bin > Export...
 
4) Click the + icon to create a new preset.
 

 
5) Click the + icon to create a new file entry in the Export Structure:
 

 
6) Copy and paste the file entry (Ctrl+C then Ctrl+V).
 
Expected behaviour
You should not be able to nest export tasks.
 
Actual behaviour
Copy and pasting the export task results in nested export tasks.
 

 
Workaround
You can drag the nested export task up, so that it is back on the correct level.
 
Reproduced by support
This bug has been reproduced in:
Nuke Studio 15.0v4 - Windows 10 - macOS 12 (Monterey) 
Nuke Studio 12.0v1 - Windows 10 - macOS 10.14 (Mojave)
 
Earliest version tested
Nuke Studio 12.0v1
- This issue appears to be in all tested versions of the product