Pipe: Fixed some potential OPC UA problems & Added IT for `` in opc

[Caideyipi]

Description

1. Fixed the potential resource leak of the input & output stream in OpcUaKeyStoreLoader
2. Optimized the error logic for incorrect password in KeyStoreLoader
3. Added some comments for policy set
4. Optimized the shutdown logic of OpcUaNameSpace
5. Added IT for `` in OPC

---

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.

---

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

[codecov]

Codecov Report

❌ Patch coverage is 55.55556% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 39.80%. Comparing base (e4fad59) to head (660d6a6).
⚠️ Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
...ink/protocol/opcua/server/OpcUaKeyStoreLoader.java	42.85%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #17393      +/-   ##
============================================
+ Coverage     39.77%   39.80%   +0.03%     
  Complexity      312      312              
============================================
  Files          5127     5127              
  Lines        346355   346395      +40     
  Branches      44113    44121       +8     
============================================
+ Hits         137777   137898     +121     
+ Misses       208578   208497      -81     

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[sonarqubecloud]

Quality Gate failed

Failed conditions
5.5% Duplication on New Code (required ≤ 5%)

See analysis details on SonarQube Cloud