Solid-Meta: Fix incorrect data URI in emojiSvg() example (#1027)

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: HeCorr

src/routes/solid-meta/reference/meta/link.mdx

@@ -38,7 +38,7 @@ To use an emoji as a favicon, first create a function that returns a data URI co
 ```jsx
 const emojiSvg = (emoji) => {
 	return (
-		`data:image/svg+xml` +
+		`data:image/svg+xml;utf8,` +
 		`<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>${emoji}</text></svg>`
 	);
 };
@@ -56,4 +56,4 @@ export default function Root() {
 		</MetaProvider>
 	);
 }
-```
+```