BUG: some features stop when changing to landscape screen.

Expected behavior

When I use screen lansnkap supposedly some features do not return.

Actual behavior

When I want to select some features and change to the screen lansnkap suddenly some of these features are missing.

How to reproduce

• Download his app.
• run the app.
• click and tear one of the folders, then click on the pencil logo above.
• change the screen to the screen screen suddenly some features back.
• Browser: Dir version 1.5.2.3
• Operating system: xiomi redmi 4A android Android version: 6.0.1

Recording of the Bug