[FLINK-22308][sql-client] Fix CliTableauResultView print results afte…

[fsk119]

…r cancel in STREAMING mode

What is the purpose of the change

After fix:

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Last check on commit 378c281 (Fri May 28 09:09:10 UTC 2021)

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[KurtYoung]

LGTM

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CI report:

• 378c281 Azure: SUCCESS

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