Summary:
When checking if a range [start, end) overlaps with a compaction whose range is [start1, end1), always exclude timestamp from start, end, start1 and end1, otherwise some versions of one user key may be compacted to bottommost layer while others remain in the original level.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10787

Test Plan: make check

Reviewed By: ltamasi

Differential Revision: D40187672

Pulled By: ltamasi

fbshipit-source-id: 81226267fd3e33ffa79665c62abadf2ebec45496