fix: improve DataNode reachability check in ensureNodeStatus

[shuwenwei]

Summary

• Add 1-second timeout to TSocket when checking DataNode port reachability

Changes

• Modify AbstractEnv.ensureNodeStatus() to use TSocket with timeout
• Verify DataNode endpoint is reachable when target status is RUNNING

[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

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 39.76%. Comparing base (cfce7d9) to head (9eaabf5).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #17446   +/-   ##
=========================================
  Coverage     39.76%   39.76%           
  Complexity      312      312           
=========================================
  Files          5135     5135           
  Lines        347002   347037   +35     
  Branches      44213    44219    +6     
=========================================
+ Hits         137981   137999   +18     
- Misses       209021   209038   +17     

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