[MM-52625] Rework tray icon code into a class, make the behaviour of the tray icon consistent with the OS it's running on (#2708)

* Rework tray into a class, make click behaviour consistent

* Fix issue where app wouldn't switch to workspace where the app was visible

* Fixed an issue where the app would show the window with hideOnStart enabled

* Add comment about StatusIconLinuxDbus

* Fix tests

src/main/app/initialize.test.js

@@ -157,8 +157,8 @@ jest.mock('common/servers/serverManager', () => ({
     on: jest.fn(),
 }));
 jest.mock('main/tray/tray', () => ({
-    refreshTrayImages: jest.fn(),
-    setupTray: jest.fn(),
+    refreshImages: jest.fn(),
+    setup: jest.fn(),
 }));
 jest.mock('main/trustedOrigins', () => ({
     load: jest.fn(),