fix: Detect AppHangsV2 when tracing not enabled

[philipphofmann]

📜 Description

AppHangsV2 didn't detect any app hangs when tracing was disabled. This is fixed now.

💡 Motivation and Context

Brought up in an internal Slack discussion.

💚 How did you test it?

Unit tests and simulator: sample event when having tracing disabled

📝 Checklist

You have to check all boxes before merging:

• 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.
• I updated the wizard 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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.747%. Comparing base (c7f8a6b) to head (b5e939a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #5184       +/-   ##
=============================================
+ Coverage   92.731%   92.747%   +0.016%     
=============================================
  Files          677       677               
  Lines        84586     84665       +79     
  Branches     30766     30802       +36     
=============================================
+ Hits         78438     78525       +87     
+ Misses        6045      6038        -7     
+ Partials       103       102        -1     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryBaseIntegration.m	98.064% <100.000%> (+0.286%)	⬆️
Sources/Sentry/SentryFramesTrackingIntegration.m	100.000% <100.000%> (ø)
Sources/Sentry/SentryOptions.m	98.761% <100.000%> (+0.184%)	⬆️
Sources/Sentry/SentryProfiler.mm	90.243% <100.000%> (+0.243%)	⬆️
...yProfilerTests/SentryContinuousProfilerTests.swift	98.044% <100.000%> (+0.067%)	⬆️
...racking/SentryFramesTrackingIntegrationTests.swift	100.000% <100.000%> (ø)
Tests/SentryTests/SentryOptionsTest.m	98.483% <100.000%> (+0.029%)	⬆️

... and 6 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1228.10 ms	1250.73 ms	22.63 ms
Size	22.30 KiB	861.12 KiB	838.81 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
a5c946b	1219.33 ms	1236.53 ms	17.20 ms
b2fea10	1231.43 ms	1238.63 ms	7.20 ms
feba2be	1246.67 ms	1254.64 ms	7.97 ms
32ac934	1230.13 ms	1255.43 ms	25.30 ms
2f9c5f9	1218.78 ms	1239.58 ms	20.80 ms
98a8c16	1234.69 ms	1265.02 ms	30.33 ms
4f31f66	1213.96 ms	1236.76 ms	22.80 ms
ef25af3	1237.88 ms	1252.22 ms	14.34 ms
dc0db9e	1246.06 ms	1260.46 ms	14.40 ms
bdd896e	1211.19 ms	1239.06 ms	27.87 ms

App size

Revision	Plain	With Sentry	Diff
a5c946b	20.76 KiB	431.93 KiB	411.17 KiB
b2fea10	21.58 KiB	683.79 KiB	662.21 KiB
feba2be	20.76 KiB	414.45 KiB	393.69 KiB
32ac934	21.58 KiB	616.72 KiB	595.13 KiB
2f9c5f9	21.58 KiB	418.82 KiB	397.24 KiB
98a8c16	20.76 KiB	431.00 KiB	410.24 KiB
4f31f66	21.58 KiB	682.39 KiB	660.81 KiB
ef25af3	22.30 KiB	845.77 KiB	823.46 KiB
dc0db9e	20.76 KiB	419.62 KiB	398.86 KiB
bdd896e	22.31 KiB	780.75 KiB	758.43 KiB

[philprime]

LGTM, little comment suggestion