## Description
If a delta token expires or is otherwise invalid,
the backup should fall back to the same
behavior as if the collection were new. It must
collect the full delta of information, and create
a collection with New state. If the previous
container moved between the two deltas,
it should be marked for deletion with a tomb-
stone collection.
## Does this PR need a docs update or release note?
- [x] ⛔ No
## Type of change
- [x] 🌻 Feature
## Issue(s)
* #1780
## Test Plan
- [x] 💪 Manual
- [x] ⚡ Unit test
- [x] 💚 E2E
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