Fix code output font size to be affected by content-font-size1

[galathinius]

References

Fixes #12178

Code changes

Add the jp-RenderedHTMLCommon CSS class (which gets the font size from content-font-size1) to RenderedText

User-facing changes

Before:

After:

Backwards-incompatible changes

[jupyterlab-probot]

Thanks for making a pull request to jupyterlab!
To try out this branch on binder, follow this link:

[Zsailer]

The test failures in the visual regression tests seem relevant here. We likely need to update the tests, and likely add new tests.

[krassowski]

Thank you for the PR @galathinius I will update your branch with the main branch and update snapshots.

I am not certain if we should proceed the way proposed. As I understand, this PR changes the default font size from --jp-code-font-size to --jp-code-font-size1. By some opinionated users, this might be considered a regression. A safer approach to solve #12178 could could be allowing to customise --jp-code-font-size in addition to --jp-code-font-size1. I will also tag this as needs review to get a second opinion.

[krassowski]

bot please update galata snapshots

[krassowski]

The updated snapshots show that on top of changing the font size, addition of the proposed class would also break the background for exceptions: