LibWeb: Parse " into '"'

Libraries/LibWeb/Parser/HTMLParser.cpp

@@ -226,6 +226,7 @@ static bool parse_html_document(const StringView& html, Document& document, Pare
                     { "&", "&" },
                     { "—", "-" },
                     { " ", " " }, // FIXME: Should actually be *non-breaking*
+                    { """, "\"" },
                     { "»", ">>" },
                     { "&laquo;", "<<" },
                 };