fix(tui): stop re-asking action when launcher already picked Export/Import

Same missing-passthrough bug as the earlier tenant re-prompt fix, this time
for -Action: Start-IntuneManagementTui.ps1 always showed the
Export/Import/DeployCISBaseline/GenerateReports picker even when the
launcher's menu items 1/2 had already decided it. Launcher now passes
-Action through, TUI skips the prompt when supplied.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Scripts/Start-HeadlessIntune.ps1

@@ -84,7 +84,7 @@ if($Interactive)
     $tuiScript = Join-Path (Split-Path -Parent $PSScriptRoot) "Scripts/Private/Start-IntuneManagementTui.ps1"
     if(Test-Path $tuiScript)
     {
-        $tuiResult = & $tuiScript -TenantId $TenantId
+        $tuiResult = & $tuiScript -TenantId $TenantId -Action $Action
         if(-not $tuiResult) { Write-Host "No selection made. Exiting." -ForegroundColor Yellow; exit 0 }
         foreach($prop in $tuiResult.PSObject.Properties)
         {