Don't run scripts in documents that don't have a browsing context (#35871)

* Don't run scripts in document that don't have a browsing context

For confirmation that this is correct, refer to the note under
Step 3 of https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#dom-domparser-parsefromstring.

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Update WPT expectations

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

components/script/dom/servoparser/html.rs

@@ -56,6 +56,7 @@ impl Tokenizer {
 
         let options = TreeBuilderOpts {
             ignore_missing_rules: true,
+            scripting_enabled: document.has_browsing_context(),
             ..Default::default()
         };