- Numbered and bullet list margins have been made consistent
- Numbered lists margins were increase at some point to handle 3-digit
numbers, Normal bullet margins updated to match this.
- Consistent margin for sub-lists.
- System back-end markdown renderer (For pages) updated with a custom
list item renderer to apply class for to align with front-end renderer.
- This means that task list items will be consistent with the preview
and not render a number/bullet.
- Indentation styles for task list items fixed to be visually indented.
For #2854 and #2837
