Fix params.size() check in "protx list wallet" RPC (#3259)
Fix params.size() check in "protx list wallet" RPC (#3259)

This should have been "> 4" as otherwise it bails out when the height is
specified.
thelazier/dash,thelazier/dash,thelazier/dash,dashpay/dash,thelazier/dash,dashpay/dash,dashpay/dash,thelazier/dash,UdjinM6/dash,UdjinM6/dash,UdjinM6/dash,UdjinM6/dash,dashpay/dash,dashpay/dash,UdjinM6/dash