Fixed bugs 3

Author: GrigoriyPA

ydb/library/yql/dq/runtime/dq_arrow_helpers.cpp

@@ -1043,6 +1043,7 @@ class TBlockSplitter : public IBlockSplitter {
         , IsLegacyBlock(isLegacyBlock)
         , ChunkSizeLimit(chunkSizeLimit)
         , ArrowPool(pool ? *pool : *NYql::NUdf::GetYqlMemoryPool())
+        , BlockTrimmers(width)
     {}
 
     bool ShouldSplitItem(const NUdf::TUnboxedValuePod* values, ui32 count) const override {