message: Fix msn after deli restart.
diff: @@ -152,9 +152,8 @@ export class DeliLambda implements IPartitionLambda {
  // Initialize counting context
  this.sequenceNumber = dbObject.sequenceNumber;
  - if (this.clientSeqNumbers.count() === 0) {
  - this.minimumSequenceNumber = this.sequenceNumber;
  - }
  + const msn = this.getMinimumSequenceNumber();
  + this.minimumSequenceNumber = msn === -1 ? this.sequenceNumber : msn;
  this.logOffset = dbObject.logOffset;
  this.checkpointContext = new CheckpointContext(this.tenantId, this.documentId, collection, context);
  