NoUI mode and Concurrency edits (#4092)

* Autorun changes

* Missed a handle

* Remove todo

---------

Co-authored-by: Chris Titus <dfm.titus@gmail.com>

functions/public/Invoke-WinUtilAutoRun.ps1

@@ -0,0 +1,48 @@
+function Invoke-WinUtilAutoRun {
+    <#
+
+    .SYNOPSIS
+        Runs Install, Tweaks, and Features with optional UI invocation.
+    #>
+
+    function BusyWait {
+        Start-Sleep -Seconds 5
+        while ($sync.ProcessRunning) {
+                Start-Sleep -Seconds 5
+            }
+    }
+
+    BusyWait
+
+    Write-Host "Applying tweaks..."
+    Invoke-WPFtweaksbutton
+    BusyWait
+
+    Write-Host "Applying toggles..."
+    $handle = Invoke-WPFRunspace -ScriptBlock {
+        $Toggles = $sync.selectedToggles
+        Write-Debug "Inside Number of toggles to process: $($Toggles.Count)"
+
+        $sync.ProcessRunning = $true
+
+        for ($i = 0; $i -lt $Tweaks.Count; $i++) {
+            Invoke-WinUtilTweaks $Toggles[$i]
+        }
+
+        $sync.ProcessRunning = $false
+        Write-Host "================================="
+        Write-Host "--     Toggles are Finished    ---"
+        Write-Host "================================="
+    }
+    BusyWait
+
+    Write-Host "Applying features..."
+    Invoke-WPFFeatureInstall
+    BusyWait
+
+    Write-Host "Installing applications..."
+    Invoke-WPFInstall
+    BusyWait
+
+    Write-Host "Done."
+}