Add AbstractDirectBehavior or AbstractMatchingBehavior for Actor Typed

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When using Java 21, we may want to avoid the ReceiveBuilder. In the untyped one, we can use UntypedActor, so what about the typed one, the implementation is simple, but the naming is hard.

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@pjfanning @mdedetrich wdyt about this, and there is still persistent api which is using the ReceiveBuilder pattern for Java api, we need something like this too.