fix(ws): try to fix result set drop stuck

[zitsen]

Relates to TS-4626

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 87.91209% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 70.85%. Comparing base (a3aeee2) to head (a6cfa8e).
Report is 1 commits behind head on main.

Files	Patch %	Lines
taos-query/src/common/value/de/value.rs	50.00%	3 Missing ⚠️
taos-query/src/common/raw/views/mod.rs	80.00%	2 Missing ⚠️
taos-query/src/common/value.rs	0.00%	2 Missing ⚠️
taos-query/src/common/value/de/ref_value.rs	33.33%	2 Missing ⚠️
taos-query/src/common/raw/views/varbinary_view.rs	83.33%	1 Missing ⚠️
taos-ws/src/query/asyn.rs	95.45%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #329      +/-   ##
==========================================
+ Coverage   70.83%   70.85%   +0.01%     
==========================================
  Files         114      114              
  Lines       36532    36520      -12     
==========================================
- Hits        25877    25875       -2     
+ Misses      10655    10645      -10     

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