Refresh PNI on startup

ts/util/updateOurUsernameAndPni.ts

@@ -0,0 +1,28 @@
+// Copyright 2021-2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { strictAssert } from './assert';
+import { dropNull } from './dropNull';
+
+export async function updateOurUsernameAndPni(): Promise<void> {
+  const { server } = window.textsecure;
+
+  strictAssert(
+    server,
+    'updateOurUsernameAndPni: window.textsecure.server not available'
+  );
+
+  const me = window.ConversationController.getOurConversationOrThrow();
+  const { username, pni } = await server.whoami();
+
+  me.set({ username: dropNull(username) });
+  window.Signal.Data.updateConversation(me.attributes);
+
+  const manager = window.getAccountManager();
+  strictAssert(
+    manager,
+    'updateOurUsernameAndPni: AccountManager not available'
+  );
+
+  await manager.setPni(pni);
+}