Nested checkboxes render with extra indentation

[tewe]

Description

To Reproduce

- [x] foo
    - [ ] bar
    - [x] baz
- [ ] bim

Expected behavior

FSNotes version

5.4.4 (528)

macOS/iOS version

macOS 12.4

Additional context

This seems to be fixed upstream, but the fork used in FSNotes hasn't been updated in 3 years.