Refactor reWASD download for new website

scripts/Windows/Software/reWASD/Manage.ps1

@@ -34,7 +34,13 @@ param(
         -Installer {
             Write-Host "Downloading reWASD…";
             $dir = New-TemporaryDirectory;
-            $file = Start-BrowserDownload -URL "https://rewasd.com/" -ButtonSelector 'a.btn-default[href="#"]' -OutDir $dir -Timeout 1;
+            Import-BrowserAutomation;
+
+            $file = Start-BrowserDownload `
+                -URL "https://rewasd.com/" `
+                -ButtonSelector ([OpenQA.Selenium.By]::XPath('//nav[contains(@class, "navbar")]//a[contains(@class, "btn-outline-default")][normalize-space(text()) = "Download"]')) `
+                -OutDir $dir `
+                -Timeout 1;
 
             Write-Host "Installing reWASD…";
             Start-Process -Wait -FilePath $($file.FullName) -ArgumentList "/S";