The "Backlinks in document" embed at the bottom of each note to float above the content in a file so that it is at a fixed position, allowing the user to scroll down/into or up/out from the backlinks section. Ideally this could also be colour-differentiated if desired.
Proposed solution
@sailKite wrote a great snippet for me which achieves this but it is so simple and functional that I think it merits consideration as a core feature. See screen recording: