What editor would do that? It’s overly fussy and completely unnecessary!
An editor at G. Schirmer wouldn’t (pg 75):
Elaine Gould wouldn’t at Faber (pg 171)
I couldn’t find a rule in the Boosey & Hawkes guide, but they don’t split it on page 86.
It’s so obvious to Ted Ross that he doesn’t even bother discussing it in the Syncopation section of The Art of Music Engraving, but he uses that pattern when discussing spacing on page 78 …
… and 86.
Musicians have no problem recognizing 1-2-1 relationships in a bar.