code block expand-collapse icon missing when `Expand code blocks by default` is not set

[rootkea]

Hello!

When Expand code blocks by default is set:

When Expand code blocks by default is not set:

Code block expand-collapse icon should also be there when Expand code blocks by default is not set which then can be used to expand the code block.

Version information

• Platform: web (in-browser)

For the web app:

• Browser: Firefox 90.0 (64-bit)
• OS: Ubuntu 20.04.2 LTS
• URL: app.element.io