* Use snapshot timestamp, remove request for paths at version
* Add timestamp to core Snapshot object
* Avoid mutating function argument
* Explain assumption about editable files
* snapshot.toRaw() in getContentAtVersion
* fix project-history acceptance test
* fix history_v1 test
* fix web tests
* Include the snapshot timestamp in stored chunks
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Co-authored-by: Eric Mc Sween <5454374+emcsween@users.noreply.github.com>
GitOrigin-RevId: 376a53e1f927cb56544e6782b47d80345655038c