message: oops forgot this
diff: @@ -694,9 +694,9 @@ void Vector::Flatten(idx_t count) {
  // ToUnifiedFormat uses flatten
  idx_t total_count = FSSTVector::GetCount(*this);
  // create vector to decompress into
  - Vector other(GetType(), count);
  + Vector other(GetType(), total_count);
  // now copy the data of this vector to the other vector, decompressing the strings in the process
  - VectorOperations::Copy(*this, other, count, 0, 0);
  + VectorOperations::Copy(*this, other, total_count, 0, 0);
  // create a reference to the data in the other vector
  this->Reference(other);
  break;
  