Fix typo (#13126)

"WrapMap" → "WeakMap"

Author: kantuni

packages/integrations/svelte/client.svelte.js

@@ -1,6 +1,6 @@
 import { createRawSnippet, hydrate, mount, unmount } from 'svelte';
 
-/** @type {WrakMap<any, ReturnType<typeof createComponent>} */
+/** @type {WeakMap<any, ReturnType<typeof createComponent>} */
 const existingApplications = new WeakMap();
 
 export default (element) => {