QueryEngine → Utils Relation

File in QueryEngine	Includes file in QueryEngine/Utils
GroupByAndAggregate.h	DiamondCodegen.h
heavydbTypes.h	FlatBuffer.h
QueryMemoryInitializer.cpp	FlatBuffer.h
ResultSetIteration.cpp	FlatBuffer.h
RuntimeFunctions.cpp	SegmentTreeUtils.h
TableFunctions / TableFunctionExecutionContext.cpp	FlatBuffer.h
WindowContext.cpp	SegmentTree.h
WindowContext.h	SegmentTree.h