dont sent deleted users a mail

src/model/role.rs

@@ -51,7 +51,7 @@ WHERE name like ?
          FROM user u
          JOIN user_role ur ON u.id = ur.user_id
          JOIN role r ON ur.role_id = r.id
-         WHERE r.id = {}",
+         WHERE r.id = {} AND deleted=0;",
             self.id
         );