raft: replication test: fix total entries for initial snapshot
raft: replication test: fix total entries for initial snapshot

Since now total expected entries are updated by load snapshot, do not
trim the total entries expected values with the initial snapshot on
test state machine initialization.

reported by @gleb

Branch URL: https://github.com/alecco/scylla/tree/raft-ale-tests-06-snapshot-total-entries

Tests: unit ({dev}), unit ({debug}), unit ({release})

Signed-off-by: Alejo Sanchez <004be06a28e38b437b038f9b5c0b9f5758b792e9@scylladb.com>
Message-Id: <20201125171232.321992-1-004be06a28e38b437b038f9b5c0b9f5758b792e9@scylladb.com>

scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla