Pipe: Fixed the hardlink bug of plugin meta

[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 56.25000% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 39.16%. Comparing base (ca26dd3) to head (c487279).
⚠️ Report is 12 commits behind head on master.

Files with missing lines	Patch %	Lines
...db/confignode/persistence/pipe/PipePluginInfo.java	56.25%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             master   #16937    +/-   ##
==========================================
  Coverage     39.16%   39.16%            
  Complexity      212      212            
==========================================
  Files          5048     5048            
  Lines        334961   335063   +102     
  Branches      42685    42707    +22     
==========================================
+ Hits         131179   131240    +61     
- Misses       203782   203823    +41     

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