Tweaking the styling of the sync button

plugos/lib/datastore.test.ts

@@ -43,8 +43,12 @@ async function test(db: KvPrimitives) {
       "address.city",
       "San Francisco",
     ]],
+    select: ["name"],
+  });
+  assertEquals(results[0], {
+    key: ["kv", "complicated"],
+    value: { name: "Frank" },
   });
-  assertEquals(results[0].key, ["kv", "complicated"]);
 }
 
 Deno.test("Test Deno KV DataStore", async () => {

plugos/lib/indexeddb_kv_primitives.ts

@@ -1,7 +1,7 @@
 import { KV, KvKey, KvPrimitives, KvQueryOptions } from "./kv_primitives.ts";
 import { IDBPDatabase, openDB } from "https://esm.sh/idb@7.1.1/with-async-ittr";
 
-const sep = "\uffff";
+const sep = "\0";
 
 export class IndexedDBKvPrimitives implements KvPrimitives {
   db!: IDBPDatabase<any>;