Steps:

1. Go to main menu
2. Click Content
3. Menu will be shown (first click small focus mode menu, second click full menu)
4. Click Content one more time
5. Menu will not hide
6. Go to Content structure
7. Full menu will be shown, user needs to click one more time to see "focus mode version of menu"
8. Click Site management
9. Site management submenu (full version) will be shown for few seconds and than will be changed to "focus mode version of menu"
10. Click on Site management, menu will be shown (full version) and changed to "focus mode version of menu"

Result: 

Behaviour of menu is confusing

Expected result: 

1. Go to main menu
2. Click Content
3. Menu will be shown (full menu)
4. Click Content one more time
5. Menu is hiding
6. Click Content one more time and choose Content structure
7. Go to Content structure
8. "focus mode version of menu" should be shown
9. Click Site management
10. Site management submenu (full version) is shown for few
11. Click on Site management again, menu will be hiding

Small "focus mode menu" is displayed only on active position of menu and every other submenu is hidden:

https://www.figma.com/proto/C84ggnTTrPZa2X0dj23IQ7/Bugs-reported-in-v4.6?page-id=829%3A2361&type=design&node-id=830-12890&viewport=267%2C456%2C0.17&t=kXbx8oHcuw2SOmwE-1&scaling=contain&starting-point-node-id=830%3A12890&mode=design