Add SelfCrossPrevented Exception

[dfelton]

Low Priority...

Scenario: Attempted to intentionally buy my own sell in order to change the mark price on a coin. Exchange rejected the placement with a reason of "SelfCrossPrevented".

Ask: Add a "SelfCrossPrevented" exception if one does not already exist.

Order Id           	164058522754
Id                 	164058522754
Symbol             	mco2usd
Exchange           	gemini
Avg Execution Price	0.00
Side               	buy
Type               	exchange limit
Timestamp          	1676904916
Timestampms        	1676904916233
Is Live            	false
Is Cancelled       	true
Is Hidden          	false
Was Forced         	false
Executed Amount    	0
Reason             	SelfCrossPrevented
Price              	1.629
Original Amount    	1
Remaining Amount   	1