Fix wrong style width value in solid tutorial (#29688)

* Fix wrong style width value in solid tutorial

* update the line also in the code

* sync with the doc

examples/user-management/solid-user-management/src/Auth.tsx

@@ -12,7 +12,7 @@ const Auth: Component = () => {
 			setLoading(true)
 			const { error } = await supabase.auth.signInWithOtp({ email: email() })
 			if (error) throw error
-			alert('Check your email for login link!')
+			alert('Check your email for the login link!')
 		} catch (error) {
 			if (error instanceof Error) {
 				alert(error.message)

examples/user-management/solid-user-management/src/Avatar.tsx

@@ -61,7 +61,7 @@ const Avatar: Component<Props> = (props) => {
 	}
 
 	return (
-		<div style={{ width: props.size }} aria-live="polite">
+		<div style={{ width: `${props.size}px` }} aria-live="polite">
 			{avatarUrl() ? (
 				<img
 					src={avatarUrl()!}