Add auto-update notifications and confirmation (#1941)

* add auto-update notifications and confirmation

* Show single update notification (#1985)

* Moving notification icons to top (#1987)

* Switch to EventEmitter (producer&consumer) model

* Add `onCorrect` and `onceCorrect` to ipc module for typechecking ipc  messages

* move type enforced ipc methods to seperate file, add unit tests

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>
Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/lens-app.tsx

@@ -12,6 +12,7 @@ import { ConfirmDialog } from "./components/confirm-dialog";
 import { extensionLoader } from "../extensions/extension-loader";
 import { broadcastMessage } from "../common/ipc";
 import { CommandContainer } from "./components/command-palette/command-container";
+import { registerIpcHandlers } from "./ipc";
 
 @observer
 export class LensApp extends React.Component {
@@ -23,6 +24,8 @@ export class LensApp extends React.Component {
     window.addEventListener("online", () => {
       broadcastMessage("network:online");
     });
+
+    registerIpcHandlers();
   }
 
   render() {