POTEL 4 - Deduplicate SpanInfo extraction

[adinauer]

📜 Description

Since we can call toSpanData on ReadableSpan we can deduplicate the code in SpanDescriptionExtractor.

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- POTEL 4 - Deduplicate `SpanInfo` extraction ([#3423](https://github.com/getsentry/sentry-java/pull/3423))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against c70c0a9

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	359.00 ms	456.74 ms	97.74 ms
Size	1.70 MiB	2.29 MiB	598.31 KiB

Baseline results on branch: 8.x.x

Startup times

Revision	Plain	With Sentry	Diff
a373f02	372.81 ms	432.96 ms	60.15 ms
dcad3c9	400.04 ms	479.67 ms	79.62 ms
3e1e45b	373.72 ms	439.33 ms	65.60 ms
9428efa	389.31 ms	481.67 ms	92.37 ms
34db09f	362.68 ms	443.02 ms	80.34 ms
6f16882	426.16 ms	494.15 ms	67.99 ms
9f2c855	424.20 ms	506.34 ms	82.14 ms

App size

Revision	Plain	With Sentry	Diff
a373f02	1.70 MiB	2.28 MiB	596.35 KiB
dcad3c9	1.70 MiB	2.28 MiB	596.35 KiB
3e1e45b	1.70 MiB	2.28 MiB	596.32 KiB
9428efa	1.70 MiB	2.28 MiB	597.68 KiB
34db09f	1.70 MiB	2.28 MiB	596.37 KiB
6f16882	1.70 MiB	2.28 MiB	596.37 KiB
9f2c855	1.70 MiB	2.28 MiB	596.32 KiB

[lbloder]

Nice 👍