LibWeb/HTML: Create a temporary execution context to abort navigation

Stops this WPT test from crashing:
navigation-api/ordering-and-transition/transition-to.html

...it now times out instead, so more work is needed before importing.

Author: AtkinsSJ

Libraries/LibWeb/HTML/Navigable.cpp

@@ -37,6 +37,7 @@
 #include <LibWeb/HTML/Parser/HTMLParser.h>
 #include <LibWeb/HTML/SandboxingFlagSet.h>
 #include <LibWeb/HTML/Scripting/ClassicScript.h>
+#include <LibWeb/HTML/Scripting/TemporaryExecutionContext.h>
 #include <LibWeb/HTML/SessionHistoryEntry.h>
 #include <LibWeb/HTML/StructuredSerialize.h>
 #include <LibWeb/HTML/TraversableNavigable.h>
@@ -2569,6 +2570,8 @@ void Navigable::inform_the_navigation_api_about_aborting_navigation()
         return;
 
     queue_global_task(Task::Source::NavigationAndTraversal, *active_window(), GC::create_function(heap(), [this] {
+        HTML::TemporaryExecutionContext execution_context { active_window()->realm() };
+
         // 2. Let navigation be navigable's active window's navigation API.
         VERIFY(active_window());
         auto navigation = active_window()->navigation();