Reimplement setup for immer using runnables instead of non-OCP in index.ts

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

src/main/start-main-application/before-application-is-ready/implementations/setup-immer.injectable.ts

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import * as Immer from "immer";
+import { beforeApplicationIsReadyInjectionToken } from "../before-application-is-ready-injection-token";
+
+const setupImmerInjectable = getInjectable({
+  id: "setup-immer",
+
+  instantiate: () => ({
+    run: () => {
+      // Docs: https://immerjs.github.io/immer/
+      // Required in `utils/storage-helper.ts`
+      Immer.setAutoFreeze(false); // allow to merge mobx observables
+      Immer.enableMapSet(); // allow to merge maps and sets
+    },
+  }),
+
+  injectionToken: beforeApplicationIsReadyInjectionToken,
+});
+
+export default setupImmerInjectable;