fix : restart lose data

[Subsegment]

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• Sample config files updated (config,meta/config and default config)
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Which issue does this PR close?

Related #.

Rationale for this change

Are there any user-facing changes?

[zipper-meng]

Seems fixed two problem:

1. Unordered WAL read task made data lost, now parallels are grouped by VnodeId.
2. Recovering WAL entry DeleteTable often delete data more than we expected, now each paralleled task run this deletion of it's own data.