[MM-58455] Add error handling when FocusStatus is not authorized on macOS (#3053)

* [MM-58455] Add error handling when FocusStatus is not authorized on macOS

* Do the permission check very early so that it's less likely for users to miss it

* Move permissions check to initialize

src/main/app/initialize.test.js

@@ -143,6 +143,7 @@ jest.mock('main/CriticalErrorHandler', () => ({
 }));
 jest.mock('main/notifications', () => ({
     displayDownloadCompleted: jest.fn(),
+    getDoNotDisturb: jest.fn(),
 }));
 jest.mock('main/ParseArgs', () => jest.fn());
 jest.mock('common/servers/serverManager', () => ({