switch the encryption secret from localStorage to IndexedDB (because localStorage gets lost so often)

src/router/index.ts

@@ -5,7 +5,7 @@ import {
   RouteLocationNormalized,
   RouteRecordRaw,
 } from "vue-router";
-import { accountsDB } from "@/db/index";
+import { accountsDBPromise } from "@/db/index";
 
 /**
  *
@@ -18,7 +18,7 @@ const enterOrStart = async (
   from: RouteLocationNormalized,
   next: NavigationGuardNext,
 ) => {
-  await accountsDB.open();
+  const accountsDB = await accountsDBPromise;
   const num_accounts = await accountsDB.accounts.count();
   if (num_accounts > 0) {
     next();