Introduced in commit: ddd693c6d7
We're not emplacing newer windows in the tracker, causing
std::out_of_range when replacing sstables for windows.
Let's fix the logic and add an unit test to cover this.
Signed-off-by: Raphael S. Carvalho <raphaelsc@scylladb.com>
Message-Id: <20220301194944.95096-1-raphaelsc@scylladb.com>