Design and usability improvements: Menu

The menu is behaving strangely. When minimized (clicking on three stripes), the entire area disappears, although the icons should remain. Examples: 1. Before pressing: https://prnt.sc/QfKZhTmSZY07 2. After clicking: https://prnt.sc/KJvBEXL7mF31 3. How it should be after clicking (ideally): https://prnt.sc/z0OeVoDwuNyZ & https://prnt.sc/K9u_l4wX3jR7