Using Kotlin BsonProperty is ignored when persisting a document

[ekans]

Describe the bug
Using Kotlin I use BsonProperty on a field and the key name seems ignored when the entity is persisted but BsonProperty value is used when reading the document.

The initial discussion on Zulip

Expected behavior
The BsonProperty value is used when the document is persisted.

Actual behavior
The BsonProperty value is not ignored.

To Reproduce
Here is a reproducer
The relevant part:

@MongoEntity(collection = "person")
data class Person @BsonCreator constructor(
  @BsonProperty("first_name") var name: String
) : PanacheMongoEntityBase()

@ApplicationScoped
class PersonRepository : PanacheMongoRepository<Person>

@QuarkusTest
class PersonResourceTest {

  @Inject
  lateinit var personRepository: PersonRepository

  @Test
  fun testHelloEndpoint() {
    personRepository.deleteAll()
    personRepository.persist(Person("toto"))
    personRepository.listAll() // <-- failed here
  }
}

[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 3.864 s <<< FAILURE! - in org.acme.mongodb.panache.PersonResourceTest
[ERROR] testHelloEndpoint  Time elapsed: 1.204 s  <<< ERROR!
org.bson.codecs.configuration.CodecConfigurationException:
An exception occurred when decoding using the AutomaticPojoCodec.
Decoding into a 'Person' failed with the following exception:

Could not construct new instance of: Person. Missing the following properties: [first_name]

A custom Codec or PojoCodec may need to be explicitly configured and registered to handle this type.
        at org.acme.mongodb.panache.PersonResourceTest.testHelloEndpoint(PersonResourceTest.kt:31)
Caused by: org.bson.codecs.configuration.CodecConfigurationException: Could not construct new instance of: Person. Missing the following properties: [first_name]
        at org.acme.mongodb.panache.PersonResourceTest.testHelloEndpoint(PersonResourceTest.kt:31)
Caused by: org.bson.codecs.configuration.CodecConfigurationException
        at org.acme.mongodb.panache.PersonResourceTest.testHelloEndpoint(PersonResourceTest.kt:31)
Caused by: org.bson.codecs.configuration.CodecConfigurationException
        at org.acme.mongodb.panache.PersonResourceTest.testHelloEndpoint(PersonResourceTest.kt:31)
Caused by: java.lang.reflect.InvocationTargetException
        at org.acme.mongodb.panache.PersonResourceTest.testHelloEndpoint(PersonResourceTest.kt:31)
Caused by: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method org.acme.mongodb.panache.Person.<init>, parameter name
        at org.acme.mongodb.panache.PersonResourceTest.testHelloEndpoint(PersonResourceTest.kt:31)

Configuration

quarkus.mongodb.connection-string = mongodb://127.0.0.1:27056
quarkus.mongodb.database = reproducer

[geoand]

This is not a Quarkus issue, but an issue with the application itself.

The proper way to use the data class of the reproducer:

@MongoEntity(collection = "person")
data class Person @BsonCreator constructor(
        @get:BsonProperty("first_name") @param:BsonProperty("first_name") var name: String
) : PanacheMongoEntityBase()