Bug description

If there are messages filling up the full page the input textbox doesn’t appear and the scrolling doesn’t response.

Image or video

this is the wrong layout we have:

Steps to reproduce

• open the following link (for example) in mobile responsive mode (e.g. in chrome) https://web-dev.common.io/commons/4c87126a-d764-42c5-90dc-723431fa5a46?item=a353a15d-ad4a-4e9f-9ecf-50d3cdc5d62f
• input text box doesn’t appear
• try scrolling → there is no response

Expected behavior

• Here this is for reference for the correct layout

this is the correct layout:

System Information

• Chrome \ Firefox - mobile responsive mode on desktop
• similar on chrome browser in Android

Additional technical information