A powerful Chicago alderman on Thursday said he wants the police department’s input on amending the municipal code to allow officers to use cell-spy technology when investigating distracted-driving cases.The request from 14th Ward Alderman Edward M. Burke came at the tail end of an hour-plus hearing on devices known Textalyzers before the City Council’s Public Safety Committee. The electronic piece of equipment can quickly extract information out of cellphones.“I’d like the police department to …