update:优化查询角色未分配的用户列表中的条件筛选

not in已经排除了此角色所分配的所有用户，所以应移除多余的条件筛选

Signed-off-by: 沫离 <974751082@qq.com>

ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml

@@ -111,7 +111,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 			 left join sys_dept d on u.dept_id = d.dept_id
 			 left join sys_user_role ur on u.user_id = ur.user_id
 			 left join sys_role r on r.role_id = ur.role_id
-	    where u.del_flag = '0' and (r.role_id != #{roleId} or r.role_id IS NULL)
+	    where u.del_flag = '0'
 	    and u.user_id not in (select u.user_id from sys_user u inner join sys_user_role ur on u.user_id = ur.user_id and ur.role_id = #{roleId})
 	    <if test="loginName != null and loginName != ''">
 			AND u.login_name like concat('%', #{loginName}, '%')