Revert "Revert "Fix idb"" (#7860)

This reverts commit 67875e2a.

src/client/scripts/idb-proxy.ts

@@ -4,7 +4,6 @@ import {
 	get as iget,
 	set as iset,
 	del as idel,
-	createStore,
 } from 'idb-keyval';
 
 const fallbackName = (key: string) => `idbfallback::${key}`;
@@ -13,9 +12,9 @@ let idbAvailable = typeof window !== 'undefined' ? !!window.indexedDB : true;
 
 if (idbAvailable) {
 	try {
-		await createStore('keyval-store', 'keyval');
+		await iset('idb-test', 'test');
 	} catch (e) {
-		console.error('idb open error', e);
+		console.error('idb error', e);
 		idbAvailable = false;
 	}
 }