Fix memory leak while inserting using sql

[JackieTien97]

Fix memory leak:

1. inserting using sql
2. fetching all result but forgetting calling Dataset.close

[codecov]

Codecov Report

Attention: Patch coverage is 3.22581% with 30 lines in your changes missing coverage. Please review.

Project coverage is 39.29%. Comparing base (fea2e4f) to head (f1b2043).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
.../db/protocol/thrift/impl/ClientRPCServiceImpl.java	0.00%	19 Missing ⚠️
...pache/iotdb/db/protocol/session/ClientSession.java	0.00%	10 Missing ⚠️
...tdb/db/protocol/session/InternalClientSession.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #14733      +/-   ##
============================================
+ Coverage     39.27%   39.29%   +0.01%     
  Complexity      193      193              
============================================
  Files          4420     4420              
  Lines        281458   281479      +21     
  Branches      34804    34807       +3     
============================================
+ Hits         110556   110615      +59     
+ Misses       170902   170864      -38     

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[sonarqubecloud]

Quality Gate failed

Failed conditions
27.3% Duplication on New Code (required ≤ 5%)

See analysis details on SonarQube Cloud