fix: chat/workflow stream for springboot4

[guoshiqiufeng]

Summary

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Checklist

Important

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• This change requires a documentation update
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic
  change.
• I've updated the documentation accordingly.

[codecov]

Codecov Report

❌ Patch coverage is 5.78778% with 293 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.52%. Comparing base (0988e99) to head (0e168cd).
⚠️ Report is 4 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #253      +/-   ##
============================================
- Coverage     96.21%   90.52%   -5.69%     
- Complexity     1141     1147       +6     
============================================
  Files           127      133       +6     
  Lines          4645     4950     +305     
  Branches        220      286      +66     
============================================
+ Hits           4469     4481      +12     
- Misses           80      367     +287     
- Partials         96      102       +6     

Flag	Coverage Δ
v1.6.2-SNAPSHOT	90.52% <5.78%> (-5.69%)	⬇️

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Components	Coverage Δ
springboot2	89.77% <5.71%> (-6.73%)	⬇️
springboot3	89.34% <5.71%> (-6.65%)	⬇️