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DISM cmdlets not working in Powershell 7

See original GitHub issue

Steps to reproduce

Type

Get-WindowsCapability -Online | ? Name -like 'OpenSSH*'

Expected behavior

Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

Install the latest PowerShell for new features and improvements! https://aka.ms/PSWindows

PS C:\Users\Administrator> Get-WindowsCapability -Online | ? Name -like 'OpenSSH*'


Name  : OpenSSH.Client~~~~0.0.1.0
State : Installed

Name  : OpenSSH.Server~~~~0.0.1.0
State : NotPresent

Actual behavior

PowerShell 7.2.0-preview.5
Copyright (c) Microsoft Corporation.

https://aka.ms/powershell
Type 'help' to get help.

PS C:\openssh> Get-WindowsCapability -Online | ? Name -like 'OpenSSH*'
Get-WindowsCapability: Class not registered

Environment data

Powershell 5.1 (working)

PS C:\Users\Administrator> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      5.1.21376.1
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.21376.1
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

Powershell 7 (installed from Store)

PS C:\openssh> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      7.2.0-preview.5
PSEdition                      Core
GitCommitId                    7.2.0-preview.5
OS                             Microsoft Windows 10.0.21376
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0