LibWeb: Add search element to list of Special tags

Author: https://github.com/Psychpsyo
Commit: https://github.com/LadybirdBrowser/ladybird/commit/397579096f1
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2605

Libraries/LibWeb/HTML/Parser/HTMLParser.cpp

@@ -1702,6 +1702,7 @@ bool HTMLParser::is_special_tag(FlyString const& tag_name, Optional<FlyString> c
             HTML::TagNames::plaintext,
             HTML::TagNames::pre,
             HTML::TagNames::script,
+            HTML::TagNames::search,
             HTML::TagNames::section,
             HTML::TagNames::select,
             HTML::TagNames::source,