Reimplement setup for main window visibility 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/on-application-activation/implementations/ensure-visible-main-window.injectable.ts

@@ -0,0 +1,31 @@
+/**
+ * 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 loggerInjectable from "../../../../common/logger.injectable";
+import windowManagerInjectable from "../../../window-manager.injectable";
+import { onApplicationActivationInjectionToken } from "../on-application-activation-injection-token";
+
+const ensureVisibleMainWindowInjectable = getInjectable({
+  id: "ensure-visible-main-window",
+
+  instantiate: (di) => {
+    const logger = di.inject(loggerInjectable);
+    const windowManager = di.inject(windowManagerInjectable);
+
+    return {
+      run: ({ hasVisibleWindows }) => {
+        logger.info("APP:ACTIVATE", { hasVisibleWindows });
+
+        if (!hasVisibleWindows) {
+          windowManager.ensureMainWindow(false);
+        }
+      },
+    };
+  },
+
+  injectionToken: onApplicationActivationInjectionToken,
+});
+
+export default ensureVisibleMainWindowInjectable;