[Snapshot V2] Integrate clone snapshot flow with pinned timestamp

[anshu1106]

Is your feature request related to a problem? Please describe

• The snapshots created with pinned timestamp need to pin the same timestamp for the cloned snapshot.
  More details can be found in the RFC

Related component

Storage:Snapshots

Describe alternatives you've considered

NA

Additional context

NA

[sachinpkale]

@anshu1106 Can you please add more details on the approach?