Issue #3258507 - changed the order of the minification callbacks - iframes go before script tags.

src/EventSubscriber/MinifyHTMLExit.php

@@ -162,8 +162,8 @@ class MinifyHTMLExit implements EventSubscriberInterface {
     $callbacks = [
       'minifyhtmlPlaceholderCallbackTextarea' => '/\\s*<textarea(\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i',
       'minifyhtmlPlaceholderCallbackPre' => '/\\s*<pre(\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i',
-      'minifyhtmlPlaceholderCallbackScript' => '/\\s*<script(\\b[^>]*?>[\\s\\S]*?<\\/script>)\\s*/i',
       'minifyhtmlPlaceholderCallbackIframe' => '/\\s*<iframe(\\b[^>]*?>[\\s\\S]*?<\\/iframe>)\\s*/i',
+      'minifyhtmlPlaceholderCallbackScript' => '/\\s*<script(\\b[^>]*?>[\\s\\S]*?<\\/script>)\\s*/i',
       'minifyhtmlPlaceholderCallbackStyle' => '/\\s*<style(\\b[^>]*?>[\\s\\S]*?<\\/style>)\\s*/i',
     ];