Fixes failure with extracting *.tpz

export-windows.ps1

@@ -162,6 +162,7 @@ if (-not $editorExecutable) {
     $manifestPath = Join-Path $cacheDirectory 'SHA512-SUMS.txt'
     $editorArchive = Join-Path $cacheDirectory $editorAsset
     $templatesArchive = Join-Path $cacheDirectory $templatesAsset
+    $templatesZipArchive = Join-Path $cacheDirectory ($templatesAsset -replace '\.tpz$', '.zip')
     $templatesStagingDirectory = Join-Path $cacheDirectory 'templates-staging'
     Invoke-WebRequest -Uri "$script:BaseUrl/SHA512-SUMS.txt" -OutFile $manifestPath
     $editorChecksum = Get-Checksum $manifestPath $editorAsset
@@ -169,7 +170,8 @@ if (-not $editorExecutable) {
     Download-AndVerify $editorAsset $editorArchive $editorChecksum
     Download-AndVerify $templatesAsset $templatesArchive $templatesChecksum
     Expand-Archive -LiteralPath $editorArchive -DestinationPath $editorDirectory -Force
-    Expand-Archive -LiteralPath $templatesArchive -DestinationPath $templatesStagingDirectory -Force
+    Move-Item -LiteralPath $templatesArchive -Destination $templatesZipArchive
+    Expand-Archive -LiteralPath $templatesZipArchive -DestinationPath $templatesStagingDirectory -Force
     Install-ExportTemplates $templatesStagingDirectory $templateDirectory $templatesAsset $templateVersion
     $editorExecutable = Find-Editor $editorDirectory
     if (-not $editorExecutable) { Fail 'The Godot editor archive did not contain an executable.' }