auto close tx should use original pubkey as lock script

[chenyukang]

Currently, we're using drived pubkey for lock script when auto close:

https://github.com/nervosnetwork/fiber/blob/0e09af24726bb3d0031b5a9ac26bcb7dc375c2b9/src/fiber/channel.rs#L2526

we should use the original node pubkey, which will be passed into ChannelActorState in future change:

https://github.com/nervosnetwork/fiber/commit/517443b25f237feb215f474fc42c463227ed37a5#diff-69ae8d1e23722c7deb83f0097b5e72b6120e824443741bf08c3c6b8e902979f4L221-R238

feature:

• User may also specify the close_script when open channel.