Chart properties window closes everytime something is changed inside an object in a container so when editing objects inside a container it goes back to the menu and does not open Styling options.
Environment
Qlik Sense April 2020
Resolution
This is a known issue and has been fixed in Qlik Sense September 2020 release.
Information provided on this defect is given as is at the time of documenting. For up to date information, please review the most recent Release Notes, or contact support at support.qlik.com with the ID QB-1998 for reference.