[5.8] Error handling for maintenance mode commands

[match]

Artisan command for controlling maintenance mode has not handled errors.

When execute commands by non-granted user,
artisan down throw Exception error messages, and also
artisan up shows Application is now live. but still maintenance mode.

This PR implements error handlings for that.

Command behavior is belows:

• artisan down

  • success: Display Application is now in maintenance mode. with exit_status = 0
  • failed: Display Application is failed to enter maintenance mode. with exit_status = 1

• artisan up

  • success to up: Display Application is now live. with exit_status = 0
  • already up: Display Application is already up. with exit_status = 0
  • failed: Display Application is failed to up. with exit_status = 1