Keyboard incorrectly duplicates certain text corrections/fill

https://bugs.webkit.org/show_bug.cgi?id=271076
rdar://123642870

Reviewed by Abrar Rahman Protyasha.

Add a quirk to disable the `writingsuggestions` web API for the affected sites.

* Source/WebCore/dom/Element.cpp:
(WebCore::Element::isWritingSuggestionsEnabled const):
* Source/WebCore/page/Quirks.cpp:
(WebCore::Quirks::shouldDisableWritingSuggestionsQuirk const):
* Source/WebCore/page/Quirks.h:

Canonical link: https://commits.webkit.org/276317@main

Source/WebCore/dom/Element.cpp

@@ -4795,6 +4795,9 @@ bool Element::isWritingSuggestionsEnabled() const
             return false;
     }
 
+    if (protectedDocument()->quirks().shouldDisableWritingSuggestionsByDefaultQuirk())
+        return false;
+
     // Otherwise, return `true`.
     return true;
 }

Source/WebCore/page/Quirks.cpp

@@ -437,6 +437,20 @@ bool Quirks::shouldDisableElementFullscreenQuirk() const
 #endif
 }
 
+// rdar://123642870
+bool Quirks::shouldDisableWritingSuggestionsByDefaultQuirk() const
+{
+    if (!needsQuirks())
+        return false;
+
+    return isDomain("reddit.com"_s)
+        || isDomain("discord.com"_s)
+        || isDomain("twitch.tv"_s)
+        || isDomain("godbolt.org"_s)
+        || m_document->url().host().endsWith("officeapps.live.com"_s)
+        || m_document->url().host().endsWith("onedrive.live.com"_s);
+}
+
 #if ENABLE(TOUCH_EVENTS)
 bool Quirks::isAmazon() const
 {

Source/WebCore/page/Quirks.h

@@ -189,6 +189,7 @@ class Quirks {
     bool needsDisableDOMPasteAccessQuirk() const;
 
     bool shouldDisableElementFullscreenQuirk() const;
+    bool shouldDisableWritingSuggestionsByDefaultQuirk() const;
     bool shouldIgnorePlaysInlineRequirementQuirk() const;
     WEBCORE_EXPORT bool shouldUseEphemeralPartitionedStorageForDOMCookies(const URL&) const;