[To dev/1.3] Pipe: Fixed the OPC UA bug that drop pipe may not erase the client (#17510)

[Caideyipi]

Description

As the title said.

---

This PR has:

• been self-reviewed.
  • concurrent read
  • concurrent write
  • concurrent read and write
• added documentation for new or modified features or behaviors.
• added Javadocs for most classes and all non-trivial methods.
• added or updated version, license, or notice information
• added comments explaining the "why" and the intent of the code wherever would not be obvious
  for an unfamiliar reader.
• added unit tests or modified existing tests to cover new code paths, ensuring the threshold
  for code coverage.
• added integration tests.
• been tested in a test IoTDB cluster.

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Key changed/added classes (or packages if there are too many classes) in this PR

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.57%. Comparing base (413b074) to head (728ec16).
⚠️ Report is 1 commits behind head on dev/1.3.

Files with missing lines	Patch %	Lines
...e/iotdb/db/pipe/sink/protocol/opcua/OpcUaSink.java	50.00%	9 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## dev/1.3 #17522 +/- ##
=============================================
- Coverage 41.58% 41.57% -0.01% 
Complexity 227 227 =============================================
Files 3597 3597 Lines 236918 236916 -2 Branches 28673 28673 =============================================
- Hits 98514 98509 -5 - Misses 138404 138407 +3 

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