ref: Add active to StreamedSpan (3)

[sentrivana]

Description

active is also part of the public API (start_span(name="...", active=False)), so it'll need to propagate to the StreamedSpan class.

Issues

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[github-actions]

Codecov Results 📊

✅ 1869 passed | ⏭️ 153 skipped | Total: 2022 | Pass Rate: 92.43% | Execution Time: 3m 15s

All tests are passing successfully.

❌ Patch coverage is 50.00%. Project has 11831 uncovered lines.

Files with missing lines (1)

File	Patch %	Lines
traces.py	51.95%	⚠️ 37 Missing

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Generated by Codecov Action

[github-actions]

Semver Impact of This PR

🟢 Patch (bug fixes)

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