Converts svelte state to snapshot before passing to postMessage API (#…

…1936)

* Passes snapshot to svelte serverice worker instead of proxy. Fixes #1931

* removes log

src/lib/search/SearchBox.svelte

@@ -81,7 +81,7 @@
 
 	run(() => {
 		if (ready) {
-			worker.postMessage({ type: 'recents', payload: $search_recent });
+			worker.postMessage({ type: 'recents', payload: $state.snapshot($search_recent) });
 		}
 	});