Add FeatureFlagIntegration

[denrase]

📜 Description

• Add FeatureFlagIntegration

💡 Motivation and Context

Closes #2747

💚 How did you test it?

📝 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

[github-actions]

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

Generated by 🚫 dangerJS against 4f247a5

[codecov]

Codecov Report

Attention: Patch coverage is 93.15068% with 5 lines in your changes missing coverage. Please review.

Project coverage is 87.78%. Comparing base (4c72876) to head (4f247a5).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
dart/lib/src/protocol/sentry_feature_flag.dart	89.47%	2 Missing ⚠️
dart/lib/src/sentry.dart	75.00%	2 Missing ⚠️
dart/lib/src/protocol/sentry_feature_flags.dart	94.73%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2825      +/-   ##
==========================================
+ Coverage   87.69%   87.78%   +0.08%     
==========================================
  Files         266      269       +3     
  Lines        8897     8970      +73     
==========================================
+ Hits         7802     7874      +72     
- Misses       1095     1096       +1     

☔ View full report in Codecov by Sentry.
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[github-actions]

Android Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	449.85 ms	508.61 ms	58.76 ms
Size	6.44 MiB	7.43 MiB	1007.37 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
03e4c9b	410.34 ms	493.20 ms	82.86 ms
0a82a1e	321.02 ms	393.82 ms	72.80 ms
6fedcab	388.26 ms	487.42 ms	99.16 ms
803f3a9	424.66 ms	505.24 ms	80.58 ms
ffae3e3	360.67 ms	466.24 ms	105.57 ms
bf4aed7	311.24 ms	365.66 ms	54.42 ms
ddc97ad	331.45 ms	384.06 ms	52.61 ms
d53c6fa	282.83 ms	344.00 ms	61.17 ms
f922f8f	332.31 ms	374.67 ms	42.37 ms
547db82	453.40 ms	482.88 ms	29.48 ms

App size

Revision	Plain	With Sentry	Diff
03e4c9b	6.35 MiB	7.42 MiB	1.07 MiB
0a82a1e	6.15 MiB	7.11 MiB	981.82 KiB
6fedcab	6.33 MiB	7.30 MiB	987.83 KiB
803f3a9	6.46 MiB	7.48 MiB	1.02 MiB
ffae3e3	6.26 MiB	7.20 MiB	958.78 KiB
bf4aed7	6.06 MiB	7.03 MiB	997.04 KiB
ddc97ad	6.16 MiB	7.14 MiB	1003.75 KiB
d53c6fa	6.16 MiB	7.14 MiB	1011.18 KiB
f922f8f	5.94 MiB	6.95 MiB	1.01 MiB
547db82	6.49 MiB	7.56 MiB	1.07 MiB

Previous results on branch: feat/feature-flags-integration

Startup times

Revision	Plain	With Sentry	Diff
16ee1e6	468.83 ms	594.78 ms	125.95 ms
1559285	435.55 ms	458.16 ms	22.61 ms

App size

Revision	Plain	With Sentry	Diff
16ee1e6	6.44 MiB	7.57 MiB	1.13 MiB
1559285	6.44 MiB	7.57 MiB	1.13 MiB

[github-actions]

iOS Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1259.27 ms	1269.79 ms	10.52 ms
Size	8.43 MiB	9.99 MiB	1.56 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d089990	1206.19 ms	1233.08 ms	26.89 ms
6aab859	1245.14 ms	1247.59 ms	2.45 ms
dd5521e	1254.28 ms	1263.37 ms	9.09 ms
07cd9e8	1237.04 ms	1257.50 ms	20.46 ms
21845e2	1279.37 ms	1298.81 ms	19.45 ms
a7acb24	1296.71 ms	1317.69 ms	20.98 ms
e4d5aa8	1224.15 ms	1245.72 ms	21.57 ms
a61674e	1275.51 ms	1290.81 ms	15.30 ms
6034b0a	1244.89 ms	1270.22 ms	25.33 ms
73d70bf	1249.08 ms	1268.41 ms	19.33 ms

App size

Revision	Plain	With Sentry	Diff
d089990	8.33 MiB	9.40 MiB	1.07 MiB
6aab859	8.29 MiB	9.36 MiB	1.07 MiB
dd5521e	8.43 MiB	9.97 MiB	1.54 MiB
07cd9e8	8.38 MiB	9.77 MiB	1.40 MiB
21845e2	8.15 MiB	9.12 MiB	991.34 KiB
a7acb24	8.16 MiB	9.17 MiB	1.01 MiB
e4d5aa8	8.33 MiB	9.62 MiB	1.29 MiB
a61674e	8.10 MiB	9.16 MiB	1.07 MiB
6034b0a	8.33 MiB	9.40 MiB	1.07 MiB
73d70bf	8.38 MiB	9.70 MiB	1.33 MiB

Previous results on branch: feat/feature-flags-integration

Startup times

Revision	Plain	With Sentry	Diff
16ee1e6	1257.78 ms	1278.57 ms	20.80 ms
1559285	1247.53 ms	1261.86 ms	14.33 ms

App size

Revision	Plain	With Sentry	Diff
16ee1e6	8.43 MiB	9.99 MiB	1.56 MiB
1559285	8.43 MiB	9.99 MiB	1.56 MiB

[buenaflor]

nice! that was a quick 🚀

[buenaflor]

let's merge the mutable data PR then update this

[buenaflor]

🚀