v2.58.1

What's Changed

• fix(lesson): serve private media without the recent send_private_file by @raizasafeel in #2535
• fix(lesson): preserve rich formatting when pasting HTML into the editor by @raizasafeel in #2536
• fix(delete): clean up all lesson/course back-references on deletion by @raizasafeel in #2537
• fix(course editor): commit chapter rename on Enter by @NagariaHussain in #2542
• fix: add json guard on course lesson content (backport #2546) by @mergify[bot] in #2549
• fix(lesson): emit images inside pasted list items as image blocks (backport #2550) by @mergify[bot] in #2551

Full Changelog: v2.58.0...v2.58.1