[regression-test](case) do statistics table compaction before quit regression tests #36611
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Proposed changes
In regression, we will check whether there are pipeline tasks after all test cases were finished.
But in regression-tests, creating and dropping tables are frequency operations, which will cause multiple delete predicater in statistics table rowsets, which will cause statistics operations running slowly.
This pr will try to do a full compaction in statitics in nonConccurent mode, try to solve the problem.
Issue Number: close #xxx