Fix scrolling issues of shortcuts view.
Fix multiple root path problem in vm root path selector.
Replace `/home/username/` with `~` in root path selector.
Add min-width to shortcuts container.
Code styling.
Added StatusBar class.
Removed handleResize method since we don't need anymore.
Styling for status bar.
Emit "EditorIsReady" event.
Notify IDE appController to update status bar for editor cursor activity.
Create and append status bar widget in AppController.

We might need to find a better place for creating and appending that element.
Implement updateStatusBar method just for editor.