SPRINGFIELD — Republican leaders in the Illinois House and Senate filed a federal lawsuit Wednesday challenging the constitutionality of the new legislative district maps that Gov. J.B. Pritzker signed into law June 4.Senate Minority Leader Dan McConchie, of Hawthorn Woods, and House Minority Leader Jim Durkin, of Western Springs, filed the suit in U.S. District Court in Chicago, arguing that the maps are based on survey data rather than official U.S. Census numbers and therefore violate the U.S. Constitution’s “one person …