Apply micronaut.serde.time-zone for ISO-8601 DateTimeFromatter in DefaultFormattedTemporalSerde

[VladM-N1]

Hi everyone, this is my PR to any open-source project ever. I believe this change more like QoL. Problem: micronaut.serde.time-zone configuration only applies to custom configured DateTimeFormatter which can be created only with: micronaut.serde.date-format.

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[yawkat]

i dont think we should make this change. the time zone should not be adjusted by the serializer. i dont know why we support this for serialization in the first place, it should only apply for deserialization as a default tz.

[VladM-N1]

Ok, got it. So, if someone wants to play around with time zones in the serializer, it's probably a good idea to create custom serializer. But, I'm still wondering, are the micronaut.serde.time-zone will be removed?

[yawkat]

I think it makes some sense for deserialization. my guess is that the serialization behavior was an accident.