Fix: Don't run onCrashedLastSession for nil Events

[brustolin]

📜 Description

Don't run onCrashedLastSession for nil Events. This could happen if beforeSend returns nil

💡 Motivation and Context

closes #3784

💚 How did you test it?

Unit test

📝 Checklist

You have to check all boxes before merging:

• 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

[codecov]

Codecov Report

Attention: Patch coverage is 88.23529% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 89.345%. Comparing base (742d4b6) to head (092b365).

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #3785       +/-   ##
=============================================
- Coverage   89.366%   89.345%   -0.022%     
=============================================
  Files          548       548               
  Lines        59766     59786       +20     
  Branches     21474     21484       +10     
=============================================
+ Hits         53411     53416        +5     
- Misses        5315      5327       +12     
- Partials      1040      1043        +3     

Files	Coverage Δ
Sources/Sentry/SentryClient.m	96.028% <100.000%> (+0.007%)	⬆️
Tests/SentryTests/SentryClientTests.swift	95.915% <86.666%> (-0.093%)	⬇️

... and 14 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1237.76 ms	1256.94 ms	19.18 ms
Size	21.58 KiB	547.02 KiB	525.44 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
01a28a9	1225.55 ms	1249.96 ms	24.41 ms
de46f06	1255.53 ms	1268.44 ms	12.91 ms
3f366ee	1242.28 ms	1260.80 ms	18.52 ms
75ef4eb	1237.30 ms	1249.53 ms	12.23 ms
72c8d84	1238.96 ms	1247.34 ms	8.38 ms
105a36c	1244.76 ms	1249.12 ms	4.36 ms
b8dd0fc	1235.57 ms	1253.12 ms	17.55 ms
7cd187e	1223.41 ms	1249.40 ms	26.00 ms
3cb68af	1221.15 ms	1238.40 ms	17.25 ms
af1f4dd	1238.08 ms	1258.48 ms	20.40 ms

App size

Revision	Plain	With Sentry	Diff
01a28a9	22.85 KiB	405.39 KiB	382.55 KiB
de46f06	22.85 KiB	414.74 KiB	391.89 KiB
3f366ee	20.76 KiB	427.84 KiB	407.08 KiB
75ef4eb	22.85 KiB	413.45 KiB	390.60 KiB
72c8d84	22.85 KiB	408.88 KiB	386.03 KiB
105a36c	22.85 KiB	414.09 KiB	391.24 KiB
b8dd0fc	20.76 KiB	401.39 KiB	380.63 KiB
7cd187e	20.76 KiB	401.66 KiB	380.89 KiB
3cb68af	20.76 KiB	401.60 KiB	380.84 KiB
af1f4dd	22.85 KiB	414.71 KiB	391.86 KiB

Previous results on branch: fix/fix-onCrashLastRun-for-null-events

Startup times

Revision	Plain	With Sentry	Diff
e9fa12b	1214.63 ms	1234.06 ms	19.43 ms

App size

Revision	Plain	With Sentry	Diff
e9fa12b	21.58 KiB	546.23 KiB	524.65 KiB

[philipphofmann]

That makes sense. Thanks @brustolin.

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- Don't run onCrashedLastSession for nil Events ([#3785](https://github.com/getsentry/sentry-cocoa/pull/3785))

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