Nested Roles not working

PowerShell Universal
1 
Product: PowerShell Universal
Version: 4.2.21

I created the following custom role called “ServiceDelivery” which has the nested role of “reader”

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I then created another new role called “customRole” which has the nested role of ServiceDelivery

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I would assume at this point the customRole also has reader role. But when running $Roles in a dashboard it does not.