Senate District 49 Republicans have endorsed Dustin DuFault for the open Minnesota Senate seat representing Eden Prairie and southern Minnetonka, and Wendy Cregg for the Eden Prairie-based House District 49B seat. The endorsements, made at a local Republican special convention this week, add GOP candidates to two legislative races taking shape ahead of the June 2 filing deadline. DuFault, a Minnetonka patent attorney, is running for the Senate D…