fix: Prevent React warnings for SVG attributes

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

webclient/src/Article.js

@@ -106,6 +106,10 @@ function Article({ cache }) {
 				return null;
 			}
 
+			if (v.localName === 'svg') {
+				return <span key={key} dangerouslySetInnerHTML={{ __html: v.outerHTML }} />;
+			}
+
 			const Tag = v.localName;
 			if (isCodeBlock(v)) {
 				return (