Refactor function for waiting for download

scripts/Windows/Scripts/BrowserAutomation.ps1

@@ -28,19 +28,25 @@ function Start-AutomatedDownload() {
     $downloadChecker = {
         param()
 
-        foreach ($file in Get-ChildItem $tempDir) {
+        $files = Get-ChildItem $tempDir;
-            try {
-                $stream = [System.IO.File]::Open($file.FullName, [System.IO.FileMode]::Open, [System.IO.FileAccess]::ReadWrite, [System.IO.FileShare]::None);
 
-                if ($stream) {
+        if ($(@($files)).Count -ge 0) {
-                    $stream.Close();
+            foreach ($file in Get-ChildItem $tempDir) {
+                try {
+                    $stream = [System.IO.File]::Open($file.FullName, [System.IO.FileMode]::Open, [System.IO.FileAccess]::ReadWrite, [System.IO.FileShare]::None);
+
+                    if ($stream) {
+                        $stream.Close();
+                    }
+
+                    return $false;
+                }
+                catch  {
+                    return $true;
                 }
-
-                return $false;
-            }
-            catch  {
-                return $true;
             }
+        } else {
+            return $false;
         }
     }