Pass through unknown sentry baggage keys into SentryEnvelopeHeader

[adinauer]

📜 Description

When converting Baggage to TraceContext also keep unknown keys prefixed with sentry- and send them to Sentry via SentryEnvelopeHeader.

💡 Motivation and Context

So we don't have to add every new key explicitly and instead simply pass through all unknown keys.

💚 How did you test it?

Unit Tests, manually using Sample

📝 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]

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

Generated by 🚫 dangerJS against 182cda4

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	352.35 ms	381.98 ms	29.63 ms
Size	1.73 MiB	2.34 MiB	626.85 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d81684e	235.73 ms	328.76 ms	93.03 ms

App size

Revision	Plain	With Sentry	Diff
d81684e	1.73 MiB	2.26 MiB	547.78 KiB

Previous results on branch: feat/pass-through-unknown-sentry-baggage-keys

Startup times

Revision	Plain	With Sentry	Diff
efc6b6a	337.48 ms	342.04 ms	4.56 ms

App size

Revision	Plain	With Sentry	Diff
efc6b6a	1.73 MiB	2.26 MiB	547.95 KiB

[codecov]

Codecov Report

Patch coverage: 86.02% and project coverage change: +0.01 🎉

Comparison is base (70c2097) 81.32% compared to head (182cda4) 81.34%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2618      +/-   ##
============================================
+ Coverage     81.32%   81.34%   +0.01%     
- Complexity     4192     4211      +19     
============================================
  Files           336      337       +1     
  Lines         15489    15575      +86     
  Branches       2021     2034      +13     
============================================
+ Hits          12597    12670      +73     
- Misses         2099     2110      +11     
- Partials        793      795       +2     

Impacted Files	Coverage Δ
sentry/src/main/java/io/sentry/protocol/Geo.java	81.48% <81.48%> (ø)
sentry/src/main/java/io/sentry/protocol/User.java	89.52% <88.23%> (-0.25%)	⬇️
sentry/src/main/java/io/sentry/Baggage.java	86.39% <95.23%> (+0.58%)	⬆️
sentry/src/main/java/io/sentry/JsonSerializer.java	98.03% <100.00%> (+0.01%)	⬆️

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