fix(view): prevent notes overlapping text

I've partially reverted the change made in !1238 (merged) and restored some of the grid layout. It's rather confusing code, because we were having grids created at multiple levels, using the same grid region names. I think I've correctly disabled just the one grid declaration that needed to be disabled, while leaving the grid higher up the hierarchy. It looks good in my testing.

Very narrow, short document:

Short document with footnotes:

A long doc with or without footnotes looks fine:

See #1553 (comment 140095) and !1238 (merged)