Restore 'no-index' support for JS, Python domains

[stephenfin]

Feature or Bugfix

• Bugfix

Purpose

Fixes: e439c6f33f (Ensure that old-style object description options are respected (#12620)) Closes: #12843

Detail

• #12843

Note Ideally this should be backport to the 7.x branch, but it appears we don't maintain stable branches any more?

Relates

None.