ToggleTouchScreen.ps1

Get-PnPDevice |
  Where-Object {$_.FriendlyName -like "*touch device*"} |
    Foreach {
      If($_.Present){
        Get-PnPDevice |
          Where-Object {$_.FriendlyName -like "*touch device*"} |
            Disable-PnPDevice -Confirm:$False
      }
      Else{
        Get-PnPDevice |
          Where-Object {$_.FriendlyName -like "*touch device*"} |
            Enable-PnPDevice -Confirm:$False
      }
}