api: fix cannot dump trace (#7255)

[ti-chi-bot]

This is an automated cherry-pick of #7255

What problem does this PR solve?

Issue Number: Close #7253

What is changed and how does it work?

api: fix cannot dump trace with dashboard

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  
  can download:
  

and with curl:

Release note

None.

[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by triage owners.
Adding the do-not-merge/cherry-pick-not-approved label.

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[ti-chi-bot]

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[ti-chi-bot]

@ti-chi-bot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci/build	b3e66ec	link	true	/test build

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