This change changes the output of the serverStatus command.

Description of Linked Ticket

Add counter to the db.serverStatus() when change stream encounters error
"Executor error during getMore :: caused by :: BSONObj size: 20000501 (0x1312EF5) is invalid. Size must be between 0 and 16793600(16MB) ".

Something like this

metrics: {
	errors: {
    	    "changeStreamBSONObjSizeTooLarge": Long("2")
	}
}