fix: Stacktrace symbolication of fatal app hangs

[philipphofmann]

:scroll: Description

Add debug images for all app hang events directly in the ANRTrackingIntegration to ensure all app hang events have debug images attached, which is required for symbolication.

:bulb: Motivation and Context

Fixes GH-5433

:green_heart: How did you test it?

Unit tests and with TestFlight

Fatal app hang event before the fix from the iOS-Swift sample app via TestFlight

https://sentry-sdks.sentry.io/issues/6690874496/events/da915f043c0741959b04d9ce9ba42943/?project=5428557

With the fix

https://sentry-sdks.sentry.io/issues/6695548079/events/934bb93490554023905e9570cc78c75a/?project=5428557

:pencil: Checklist

You have to check all boxes before merging:

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.214%. Comparing base (8c7114c) to head (9276d2d). Report is 2 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #5438       +/-   ##
=============================================
- Coverage   86.217%   86.214%   -0.003%     
=============================================
  Files          399       399               
  Lines        34652     34652               
  Branches     14991     14986        -5     
=============================================
- Hits         29876     29875        -1     
  Misses        4734      4734               
- Partials        42        43        +1     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryANRTrackingIntegration.m	99.378% <100.000%> (+0.007%)	:arrow_up:

... and 6 files with indirect coverage changes

---

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Performance metrics :rocket:

	Plain	With Sentry	Diff
Startup time	1232.24 ms	1254.11 ms	21.87 ms
Size	23.75 KiB	847.21 KiB	823.46 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
9faf2175dbc03d57307202d15fea3b0581fb47aa	1268.86 ms	1274.82 ms	5.96 ms
b5bcbab6ba2deba5b1e3aa2d76b0491be34e7981	1222.24 ms	1243.20 ms	20.96 ms
b1b7d72a698a580149d8d0c91218f3ff532d79f7	1246.31 ms	1261.00 ms	14.69 ms
83acf3e57a9b03bdde1f89988946d38cfbf79495	1240.06 ms	1261.38 ms	21.31 ms
8ef07fb048bd862c61aecee28e7b0e80c33ca926	1231.45 ms	1243.98 ms	12.53 ms
a9103fe09dcaa2f8b814062b46a8b6f59692df55	1221.49 ms	1243.33 ms	21.84 ms
7f691b5344ddcfd55da954cc56722e2109751f03	1233.94 ms	1243.80 ms	9.86 ms
81c218773ab43837a3f510e34f426197b60c748d	1224.20 ms	1252.68 ms	28.48 ms
676e429128a264d3ac61c2e90e26149580495fec	1225.76 ms	1235.49 ms	9.73 ms
7054676e7fd4843e8b924d48e8b59173e8476efe	1229.46 ms	1246.40 ms	16.94 ms

App size

Revision	Plain	With Sentry	Diff
9faf2175dbc03d57307202d15fea3b0581fb47aa	20.76 KiB	419.70 KiB	398.94 KiB
b5bcbab6ba2deba5b1e3aa2d76b0491be34e7981	23.75 KiB	846.99 KiB	823.24 KiB
b1b7d72a698a580149d8d0c91218f3ff532d79f7	20.76 KiB	436.33 KiB	415.57 KiB
83acf3e57a9b03bdde1f89988946d38cfbf79495	21.58 KiB	539.87 KiB	518.29 KiB
8ef07fb048bd862c61aecee28e7b0e80c33ca926	21.58 KiB	707.42 KiB	685.84 KiB
a9103fe09dcaa2f8b814062b46a8b6f59692df55	20.76 KiB	426.95 KiB	406.19 KiB
7f691b5344ddcfd55da954cc56722e2109751f03	20.76 KiB	420.55 KiB	399.79 KiB
81c218773ab43837a3f510e34f426197b60c748d	21.58 KiB	736.53 KiB	714.94 KiB
676e429128a264d3ac61c2e90e26149580495fec	21.58 KiB	614.73 KiB	593.15 KiB
7054676e7fd4843e8b924d48e8b59173e8476efe	21.58 KiB	542.28 KiB	520.70 KiB

Previous results on branch: fix/fatal-app-hang-symbolication

Startup times

Revision	Plain	With Sentry	Diff
8ff79957fe4e97b3d5dc5735ceff428ddb7ed999	1205.73 ms	1225.47 ms	19.73 ms

App size

Revision	Plain	With Sentry	Diff
8ff79957fe4e97b3d5dc5735ceff428ddb7ed999	23.75 KiB	847.20 KiB	823.45 KiB