Fix Windows check

install/InstallFactoryOrchestratorService.ps1

@@ -8,7 +8,7 @@ Param
 )
 $ErrorActionPreference = "stop"
 
-if ((-not $PSEdition -eq "Desktop") -and (-not $IsWindows))
+if (($PSEdition -ne "Desktop") -and (-not $IsWindows))
 {
     $command = $PSCommandPath.Replace(".ps1", ".sh")
     if ($AutoStart)
@@ -71,4 +71,4 @@ else
     {
         Write-Host "The FactoryOrchestrator service is not set to `"Auto`" start. It will only start manually. Change it to `"Auto`" start on boot at any time with: Set-Service -Name `"Microsoft.FactoryOrchestrator`" -StartupType Automatic"
     }
-}
+}