The Hamlet Project

Other editions have Polonius sconcing himself here. I see that “sconce” scans better and it has an imagistic quality that makes it a fun choice. It instantly makes me imagine Polonius as a candle holder, attached to the wall, quietly observing, not animate.
Silence has the benefit of being rather a lot more clear, though.
So, of course, there must be some quarto/folio choice being made here by editors. Has silence been massaged into sconce because it scans better?
Or have these editors of my edition here chosen silence for the directness and clarity? Which is folio? Which is quarto? If it is a question of neither?
Here is a moment in which I could happily use an Arden edition. Or a copy of both quarto and a folio.