Expand scope of behaviour for updating using tray also contain checking for updates

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

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

src/main/update-app/progress-of-update-download.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 { action, computed, observable } from "mobx";
+
+const progressOfUpdateDownloadInjectable = getInjectable({
+  id: "progress-of-update-download",
+
+  instantiate: () => {
+    const state = observable.box(0);
+
+    return {
+      value: computed(() => state.get()),
+
+      setValue: action((percentage: number) => {
+        state.set(percentage);
+      }),
+    };
+  },
+});
+
+export default progressOfUpdateDownloadInjectable;