LibWeb: Don't carry quirks across to logical aliases

Author: https://github.com/Calme1709
Commit: f336667771
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5138
Reviewed-by: https://github.com/AtkinsSJ ✅

Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSPropertyID.cpp

@@ -121,6 +121,9 @@ void replace_logical_aliases(JsonObject& properties)
             alias_object.set(key, value);
         });
 
+        // Quirks don't carry across to logical aliases
+        alias_object.remove("quirks"sv);
+
         properties.set(name, alias_object);
     }
 }