bugfix: correct is_snapshot_cs in VerifyDB

Author: jamesob

src/validation.cpp

@@ -4281,7 +4281,7 @@ VerifyDBResult CVerifyDB::VerifyDB(
     bool skipped_l3_checks{false};
     LogPrintf("Verification progress: 0%%\n");
 
-    const bool is_snapshot_cs{!chainstate.m_from_snapshot_blockhash};
+    const bool is_snapshot_cs{chainstate.m_from_snapshot_blockhash};
 
     for (pindex = chainstate.m_chain.Tip(); pindex && pindex->pprev; pindex = pindex->pprev) {
         const int percentageDone = std::max(1, std::min(99, (int)(((double)(chainstate.m_chain.Height() - pindex->nHeight)) / (double)nCheckDepth * (nCheckLevel >= 4 ? 50 : 100))));