ยง 604. Change by supreme court of place of trial of action pending in another court. Upon motion of any party, the supreme court may order that an issue of fact in an action pending in another court, except an action relating to real property pending in a county court, be tried in the supreme court in another county upon such terms as may be just. After the trial, the clerk of the county in which it has taken place shall certify the minutes thereof, which shall be filed with the clerk of the court in which the action is pending. Subsequent proceedings shall be the same as if the issue had been tried in the court in which the action is pending