1. create a new site
2. add a page to the site
3. navigate to the page
4. click on + icon on the controlMenu
side bar is displayed, the first few px-s are not displayed. Pls see attached.
Note - it happens at the very first Add
side bar not to be hid
Tested on df9d5f120af3752e62efa36d1afc5a0c0f64b974