Use new compact representations in protobufs

Co-authored-by: trevor-signal <131492920+trevor-signal@users.noreply.github.com>

ts/util/isProtoBinaryEncodingEnabled.ts

@@ -0,0 +1,13 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { isTestOrMockEnvironment } from '../environment';
+
+export function isProtoBinaryEncodingEnabled(): boolean {
+  if (isTestOrMockEnvironment()) {
+    return true;
+  }
+
+  // TODO: https://signalmessenger.atlassian.net/browse/DESKTOP-8938
+  return false;
+}