It never happened, as much as Halleck disliked the man and considered his leadership "ruinous" to the country. Nor do I recall any newspaper editorials asking that generals suppress Lincoln & Co. Neither McClellan nor Hooker thought to march the AOP into DC to set up a dictatorship.
Here's a columnist, however, proposing today's chief of staff "relieve" the civilian commander-in-chief by invoking the UCMJ and then place him under military arrest.
We go to the Civil War for our reading. Sometimes you wonder if the Civil War is coming to us.
(Warning - clicking link exposes reader to contemporary political psychosis.)