Fix COPY TO returning 0 rows during concurrent reorganize #610

Job	Run time
check-skip	8s
prepare-test-matrix-deb	3s
Build Apache Cloudberry DEB	15m 50s
DEB Install Test Apache Cloudberry	2m 4s
ic-cbdb-parallel	28m 41s
ic-deb-contrib	4m 46s
pax-ic-deb-good-opt-off	23m 44s
pax-ic-deb-good-opt-on	26m 32s
ic-deb-good-opt-off	26m 17s
ic-deb-gpcontrib	4m 36s
ic-deb-good-opt-on	30m 28s
Generate Apache Cloudberry Build Report	2s
check-skip	8s
Build Apache Cloudberry DEB	15m 50s
prepare-test-matrix-deb	3s
ic-deb-good-opt-off	26m 17s
pax-ic-deb-good-opt-off	23m 38s
ic-deb-good-opt-on	30m 28s
pax-ic-deb-good-opt-on	26m 32s
DEB Install Test Apache Cloudberry	2m 4s
ic-deb-contrib	4m 46s
ic-cbdb-parallel	28m 41s
ic-deb-gpcontrib	4m 36s
Generate Apache Cloudberry Build Report	7s
	5h 26m 21s

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