Emit transaction.data in contexts.trace.data

[buenaflor]

📜 Description

Adds the transaction data to contexts.trace as well.

💡 Motivation and Context

As preparation for extracting metrics from transaction data.

Closes #2257

💚 How did you test it?

Unit test, spotlight

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPii is enabled
• I updated the docs if needed
• All tests passing
• No breaking changes

🔮 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 c6acda5

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.34%. Comparing base (3cc09ec) to head (c6acda5).

Files with missing lines	Patch %	Lines
dart/lib/src/protocol/sentry_trace_context.dart	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2284      +/-   ##
==========================================
- Coverage   88.35%   88.34%   -0.01%     
==========================================
  Files         247      247              
  Lines        8578     8583       +5     
==========================================
+ Hits         7579     7583       +4     
- Misses        999     1000       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[github-actions]

Android Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	492.48 ms	539.48 ms	47.00 ms
Size	6.49 MiB	7.55 MiB	1.07 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
64af39c	386.80 ms	471.11 ms	84.31 ms
0ceb89c	304.57 ms	357.18 ms	52.61 ms
be08ed1	361.37 ms	414.84 ms	53.47 ms
3f23617	385.77 ms	476.10 ms	90.33 ms
42f6e7e	308.71 ms	360.06 ms	51.35 ms
c70e01a	331.04 ms	401.46 ms	70.42 ms
9d7e862	426.35 ms	510.88 ms	84.53 ms
7f75f32	347.36 ms	419.58 ms	72.22 ms
86d4841	286.35 ms	372.43 ms	86.08 ms
3637a22	322.59 ms	390.00 ms	67.41 ms

App size

Revision	Plain	With Sentry	Diff
64af39c	6.27 MiB	7.20 MiB	958.83 KiB
0ceb89c	5.94 MiB	6.95 MiB	1.01 MiB
be08ed1	6.33 MiB	7.26 MiB	946.42 KiB
3f23617	5.94 MiB	6.96 MiB	1.02 MiB
42f6e7e	6.27 MiB	7.20 MiB	956.06 KiB
c70e01a	5.94 MiB	6.97 MiB	1.03 MiB
9d7e862	6.33 MiB	7.26 MiB	943.41 KiB
7f75f32	6.26 MiB	7.20 MiB	959.18 KiB
86d4841	6.15 MiB	7.13 MiB	1000.49 KiB
3637a22	6.06 MiB	7.09 MiB	1.03 MiB

[github-actions]

iOS Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1255.10 ms	1263.20 ms	8.10 ms
Size	8.38 MiB	9.73 MiB	1.36 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8776cdf	1237.64 ms	1246.83 ms	9.20 ms
f79eecf	1210.25 ms	1221.65 ms	11.40 ms
abfcdb5	1230.87 ms	1244.94 ms	14.06 ms
9d7e862	1236.88 ms	1258.62 ms	21.74 ms
7e7f0b1	1230.52 ms	1251.49 ms	20.97 ms
3d305b9	1230.29 ms	1247.39 ms	17.10 ms
1596141	1230.77 ms	1241.90 ms	11.13 ms
d4d0807	1246.94 ms	1260.69 ms	13.75 ms
051e97a	1245.94 ms	1249.51 ms	3.57 ms
d089990	1206.19 ms	1233.08 ms	26.89 ms

App size

Revision	Plain	With Sentry	Diff
8776cdf	8.33 MiB	9.40 MiB	1.07 MiB
f79eecf	8.29 MiB	9.36 MiB	1.07 MiB
abfcdb5	8.33 MiB	9.64 MiB	1.31 MiB
9d7e862	8.32 MiB	9.38 MiB	1.05 MiB
7e7f0b1	8.33 MiB	9.61 MiB	1.27 MiB
3d305b9	8.33 MiB	9.63 MiB	1.29 MiB
1596141	8.29 MiB	9.37 MiB	1.08 MiB
d4d0807	8.33 MiB	9.64 MiB	1.31 MiB
051e97a	8.28 MiB	9.34 MiB	1.06 MiB
d089990	8.33 MiB	9.40 MiB	1.07 MiB

[martinhaintz]

looks good.