[Bug](pipeline) try fix the exchange sink buffer result error

[HappenLee]

Proposed changes

Issue Number: close #xxx

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

[HappenLee]

run buildall

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 36.78% (8414/22876)
Line Coverage: 29.27% (68402/233661)
Region Coverage: 27.87% (35355/126842)
Branch Coverage: 24.64% (18068/73318)
Coverage Report: http://coverage.selectdb-in.cc/coverage/963129669ca2aa1bf6b38e2c8a6a35777f974402_963129669ca2aa1bf6b38e2c8a6a35777f974402/report/index.html

[doris-robot]

TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G'

Tpch sf100 test result on commit 963129669ca2aa1bf6b38e2c8a6a35777f974402, data reload: false
run tpch-sf100 query with default conf and session variables
q1	4902	4607	4620	4607
q2	366	165	160	160
q3	2029	1886	1893	1886
q4	1385	1228	1201	1201
q5	3946	3912	3972	3912
q6	245	132	133	132
q7	1364	872	887	872
q8	2740	2772	2754	2754
q9	17916	9675	9583	9583
q10	3456	3518	3518	3518
q11	383	249	236	236
q12	448	284	283	283
q13	4560	3822	3834	3822
q14	325	285	302	285
q15	596	537	536	536
q16	663	577	577	577
q17	1133	966	960	960
q18	7812	7499	7294	7294
q19	1674	1682	1672	1672
q20	581	294	300	294
q21	4404	3932	3946	3932
q22	471	371	373	371
Total cold run time: 61399 ms
Total hot run time: 48887 ms
run tpch-sf100 query with default conf and set session variable runtime_filter_mode=off
q1	4573	4524	4543	4524
q2	328	232	260	232
q3	4002	3979	3959	3959
q4	2694	2677	2677	2677
q5	9855	9755	9717	9717
q6	239	119	125	119
q7	2630	2293	2287	2287
q8	4515	4504	4498	4498
q9	13242	13034	13167	13034
q10	4085	4168	4160	4160
q11	793	684	700	684
q12	978	814	796	796
q13	4277	3585	3575	3575
q14	374	340	370	340
q15	586	518	514	514
q16	744	717	657	657
q17	3915	3827	3831	3827
q18	9620	8926	8925	8925
q19	1812	1793	1758	1758
q20	2388	2067	2058	2058
q21	8759	8663	8627	8627
q22	927	854	813	813
Total cold run time: 81336 ms
Total hot run time: 77781 ms

[airborne12]

LGTM

[github-actions]

PR approved by anyone and no changes requested.

[doris-robot]

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 44.72 seconds
stream load tsv: 568 seconds loaded 74807831229 Bytes, about 125 MB/s
stream load json: 18 seconds loaded 2358488459 Bytes, about 124 MB/s
stream load orc: 66 seconds loaded 1101869774 Bytes, about 15 MB/s
stream load parquet: 32 seconds loaded 861443392 Bytes, about 25 MB/s
insert into select: 28.7 seconds inserted 10000000 Rows, about 348K ops/s
storage size: 17099012729 Bytes

[yiguolei]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.