Optimize use of consumeHTMLEntity() in HTMLFastPathParser::scanHTMLCharacterReference() so that it appends directly to its Vector<UChar> instead of going via a StringBuilder.
Pull request: https://github.com/WebKit/WebKit/pull/10248
Committed 260426@main (a525a1c4c0bb): <https://commits.webkit.org/260426@main> Reviewed commits have been landed. Closing PR #10248 and removing active labels.
<rdar://problem/105582635>