Cherry-pick 260986@main (a7c8d72). https://bugs.webkit.org/show_bug.c…

…gi?id=253128

    Lookalike characters should be removed from the request URL when deciding navigation policy
    https://bugs.webkit.org/show_bug.cgi?id=253128
    rdar://106061388

    Reviewed by Aditya Keerthi.

    Add some logic to adjust the request URL if needed, before proceeding with navigation (and calling
    out to the client layer).

    * Source/WebCore/loader/FrameLoader.cpp:
    (WebCore::FrameLoader::updateRequestAndAddExtraFields):

    Canonical link: https://commits.webkit.org/260986@main

Source/WebCore/loader/FrameLoader.cpp

@@ -3097,6 +3097,9 @@ void FrameLoader::updateRequestAndAddExtraFields(ResourceRequest& request, IsMai
 
     if (shouldUpdate == ShouldUpdateAppInitiatedValue::Yes && localFrame->loader().documentLoader())
         request.setIsAppInitiated(localFrame->loader().documentLoader()->lastNavigationWasAppInitiated());
+
+    if (page)
+        request.setURL(page->chrome().client().sanitizeLookalikeCharacters(request.url(), LookalikeCharacterSanitizationTrigger::Navigation));
 }
 
 void FrameLoader::scheduleRefreshIfNeeded(Document& document, const String& content, IsMetaRefresh isMetaRefresh)