Add headless macOS CLI workflow

Extensions/EndpointManager.psm1

@@ -105,9 +105,12 @@ function Invoke-InitializeModule
         Write-Log "Microsoft Intune PowerShell is being decomissioned. Please change to a supported app eg Microsoft Graph or a custom app!" 2            
     }
 
-    $viewPanel = Get-XamlObject ($global:AppRootFolder + "\Xaml\EndpointManagerPanel.xaml") -AddVariables
-    
-    Set-EMViewPanel $viewPanel
+    $viewPanel = $null
+    if($global:hideUI -ne $true)
+    {
+        $viewPanel = Get-XamlObject (Join-Path $global:AppRootFolder "Xaml/EndpointManagerPanel.xaml") -AddVariables
+        Set-EMViewPanel $viewPanel
+    }
 
     #Add menu group and items
     $global:EMViewObject = (New-Object PSObject -Property @{ 
@@ -4417,4 +4420,4 @@ function Start-PreImportCommandAuthenticationContext
 #endregion
 
 
-Export-ModuleMember -alias * -function *
+Export-ModuleMember -alias * -function *