refactor: maintain subscriptions in local barrier worker

[wenym1]

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What's changed and what's your intention?

Previously when build actor and inject barrier are not done together, we have to include the barrier information together with the StreamActor to a combined BuildActorInfo when we build the actor. After we change to build actor when inject barrier in #18270, we are able to get the subscription information from local barrier worker.

Therefore, in this PR, we won't generate the actor subscription info on meta node to generate the BuildActorInfo, but instead include only the StreamActor in the InjectBarrierRequest. Meanwhile, we incrementally maintain the global subscription info in the local barrier worker so that we can pass the subscription info when we build actors.

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[hzxa21]

LGTM

[BugenZhao]

LGTM

[yezizp2012]

LGTM!