SPRINGFIELD — A measure to prevent police from interrogating juveniles who don’t have lawyers was poised to move forward in the General Assembly.But it’s a pared-down version of the idea that was initially introduced, and it was put on hold in the Senate this week after Republicans pleaded with the bill’s sponsor for more discussion.The legislation was initially aimed at making inadmissible any statement by a juvenile in police custody who was under age 18 and did not have an attorney with them …