fix ranking

PadelClub/Data/TeamRegistration.swift

@@ -486,7 +486,7 @@ final class TeamRegistration: ModelObject, Storable {
         self.unsortedPlayers().sorted { (lhs, rhs) in
             let predicates: [AreInIncreasingOrder] = [
                 { $0.sex?.rawValue ?? 0 < $1.sex?.rawValue ?? 0 },
-                { $0.rank ?? 0 < $1.rank ?? 0 },
+                { $0.rank ?? Int.max < $1.rank ?? Int.max },
                 { $0.lastName < $1.lastName},
                 { $0.firstName < $1.firstName }
             ]