Dialogs/Modals are not scrollable when they overflow

[eliasm307]

Describe the bug

Some users have their browsers zoomed in for accessibility or have smaller screens which means dialogs in the studio overflow, but they dont show any scrollbars so some content cant be accessed.

To Reproduce

Steps to reproduce the behavior:

1. Open a dialog
2. Zoom in

Expected behavior

If the dialog content overflows then scrollbars should be shown, e.g.

Screenshots

Which versions of Sanity are you using?

@sanity/cli (global) 3.12.0 (up to date) @sanity/cli 3.12.0 (up to date) @sanity/vision 3.12.0 (up to date) sanity 3.12.0 (up to date)

What operating system are you using?

Windows

Which versions of Node.js / npm are you running?

Run npm -v && node -v in the terminal and copy-paste the result here. 8.19.2 v18.12.1

[eliasm307]

FYI I applied the fix in the example using this CSS

[data-ui="DialogCard"] {
  & > [data-ui="Card"] {
    overflow: auto;
  }
}