fix(profiling): make sure truncated frames are added at the root

[sanchda]

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/internal/datadog/profiling/releasenotes/notes/fix-profiling-v2-trunc-c442c864bcfad7ad.yaml  @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/src/sample.cpp            @DataDog/profiling-python

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-12-18 17:10:57

Comparing candidate commit 7b3b697 in PR branch sanchda/truncated_frames_on_root with baseline commit c7b888d in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 394 metrics, 2 unstable metrics.

[sanchda]

/merge

[dd-devflow]

Devflow running: /merge

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2024-12-18 22:07:30 UTC ⚠️ MergeQueue: This merge request was unqueued

This merge request was unqueued