Spam Reporting UI changes

ts/util/getAddedByForOurPendingInvitation.ts

@@ -0,0 +1,17 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+import type { ConversationType } from '../state/ducks/conversations';
+
+export function getAddedByForOurPendingInvitation(
+  conversation: ConversationType
+): ConversationType | null {
+  const ourAci = window.storage.user.getCheckedAci();
+  const ourPni = window.storage.user.getPni();
+  const addedBy = conversation.pendingMemberships?.find(
+    item => item.serviceId === ourAci || item.serviceId === ourPni
+  )?.addedByUserId;
+  if (addedBy == null) {
+    return null;
+  }
+  return window.ConversationController.get(addedBy)?.format() ?? null;
+}