Describe the bug
Close Editor(also shortcut Ctrl + F4) is not working

To Reproduce
Steps to reproduce the behavior:

1. Click on 'File'
2. Click on 'Close Editor (Ctrl + F4)'
3. Don't work anything

Expected behavior
Close current editor

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Version: 2.0.0-rc4