Replace MessageController with MessageCache

ts/util/getSenderIdentifier.ts

@@ -0,0 +1,23 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { MessageAttributesType } from '../model-types.d';
+
+export function getSenderIdentifier({
+  sent_at: sentAt,
+  source,
+  sourceServiceId,
+  sourceDevice,
+}: Pick<
+  MessageAttributesType,
+  'sent_at' | 'source' | 'sourceServiceId' | 'sourceDevice'
+>): string {
+  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+  const conversation = window.ConversationController.lookupOrCreate({
+    e164: source,
+    serviceId: sourceServiceId,
+    reason: 'MessageModel.getSenderIdentifier',
+  })!;
+
+  return `${conversation?.id}.${sourceDevice}-${sentAt}`;
+}