Fix: Application Graph displays exception stack trace

[mujinhuakai]

Description of your changes

Application Graph displays exception stack trace

Fixes #793

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run yarn lint to ensure the frontend changes are ready for review.
• Run make reviewableto ensure the server changes are ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

Special notes for your reviewer

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.13 ⚠️

Comparison is base (7bc6b2f) 61.22% compared to head (67b0e38) 61.10%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #796      +/-   ##
==========================================
- Coverage   61.22%   61.10%   -0.13%     
==========================================
  Files         109      109              
  Lines       19129    19129              
==========================================
- Hits        11712    11688      -24     
- Misses       5975     5993      +18     
- Partials     1442     1448       +6     

Flag	Coverage Δ
apiserver-unittests	33.71% <ø> (-0.05%)	⬇️
server-e2e-tests	49.75% <ø> (-0.18%)	⬇️

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see 8 files with indirect coverage changes

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[barnettZQG]

LGTM

[github-actions]

Successfully created backport PR #801 for release-1.8.