Alleging an “egregious misreading of Florida’s Constitution,” voting-rights groups late Wednesday argued the state Supreme Court should overturn a decision that upheld a congressional redistricting plan pushed through the Legislature by Gov. Ron DeSantis. Lawyers for the groups filed a 70-page brief contending, in part, the 1st District Court of Appeal on Dec. 1 disregarded Supreme Court precedents when it backed the redistricting plan. The dispute centers on a 2022 plan that overhauled a North Florida district that in the past elected Black Democrat Al Lawson and on a 2010 state constitutiona…