Update application.properties

[Micron818]

resolve the result miss error message, ex.
curl --location --request GET 'localhost:8080/api/polls/0' {
"timestamp": "2023-11-24T15:20:35.530+00:00",
"status": 404,
"error": "Not Found",
"message": "Poll not found with id : '0'",
"path": "/api/polls/0"
}

[Micron818]

resolve the result exception miss message
before:

{
"timestamp": "2023-11-24T15:20:35.530+00:00",
"status": 404,
"error": "Not Found",
"path": "/api/polls/0"
}

resolved:

{
"timestamp": "2023-11-24T15:20:35.530+00:00",
"status": 404,
"error": "Not Found",
"message": "Poll not found with id : '0'",
"path": "/api/polls/0"
}