convert all remaining DB writes & reads to SQL (with successful registration & claim)

src/App.vue

@@ -330,8 +330,11 @@
 
 <script lang="ts">
 import { Vue, Component } from "vue-facing-decorator";
-import { logConsoleAndDb, retrieveSettingsForActiveAccount } from "./db/index";
-import { NotificationIface } from "./constants/app";
+
+import { NotificationIface, USE_DEXIE_DB } from "./constants/app";
+import * as databaseUtil from "./db/databaseUtil";
+import { retrieveSettingsForActiveAccount } from "./db/index";
+import { logConsoleAndDb } from "./db/databaseUtil";
 import { logger } from "./utils/logger";
 
 interface Settings {
@@ -396,7 +399,11 @@ export default class App extends Vue {
 
     try {
       logger.log("Retrieving settings for the active account...");
-      const settings: Settings = await retrieveSettingsForActiveAccount();
+      let settings: Settings =
+        await databaseUtil.retrieveSettingsForActiveAccount();
+      if (USE_DEXIE_DB) {
+        settings = await retrieveSettingsForActiveAccount();
+      }
       logger.log("Retrieved settings:", settings);
 
       const notifyingNewActivity = !!settings?.notifyingNewActivityTime;