ref: Update SentryCrashReportConverter for improved nullability handling

[philprime]

📜 Description

• Renamed SentryKSCrashReportConverterTests to SentryCrashReportConverterTests for consistency.
• Enhanced nullability checks in SentryCrashReportConverter to prevent potential crashes.
• Added new test cases to validate handling of various edge cases in crash report conversion.

💡 Motivation and Context

Closes #6207

#skip-changelog

[philprime]

@cursor review

[codecov]

❌ 4 Tests Failed:

Tests completed	Failed	Passed	Skipped
3977	4	3973	11

View the top 3 failed test(s) by shortest run time

SentryTests.SentryANRTrackerV1Tests::testMultipleListeners

Stack Traces | 0s run time

.../Integrations/ANR/SentryANRTrackerV1Tests.swift:78 - Asynchronous wait failed: Exceeded timeout of 5 seconds, with unfulfilled expectations: "ANR Detection".

iOS_SwiftUI_UITests.FeedbackUITests::testWidgetDisplayInSwiftUIApp

Stack Traces | 0s run time

.../iOS-SwiftUI/iOS-SwiftUI-UITests/FeedbackUITests.swift:11 - Failed to get background assertion for target app with pid 30682: Timed out while acquiring background assertion.

iOS_SwiftUI_UITests.LaunchUITests::testNoNewTransactionForSecondCallToBody

Stack Traces | 0s run time

.../iOS-SwiftUI/iOS-SwiftUI-UITests/LaunchUITests.swift:81 - Failed to get background assertion for target app with pid 30730: Timed out while acquiring background assertion.

iOS_SwiftUI_UITests.LaunchUITests::testTransactionSpan

Stack Traces | 0s run time

.../iOS-SwiftUI/iOS-SwiftUI-UITests/LaunchUITests.swift:81 - Failed to get background assertion for target app with pid 30808: Timed out while acquiring background assertion.

iOS_Swift_UITests.LaunchUITests::testNavigationTransaction

Stack Traces | 0s run time

.../iOS-Swift/iOS-Swift-UITests/UITestHelpers.swift:5 - Failed to get matching snapshots: Timed out while evaluating UI query.

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1240.37 ms	1265.08 ms	24.72 ms
Size	23.75 KiB	981.46 KiB	957.72 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
4b3f1af	1227.04 ms	1253.35 ms	26.31 ms
25f2d2c	1232.02 ms	1242.78 ms	10.76 ms
04ff3ec	1220.71 ms	1253.86 ms	33.15 ms
cc7f629	1226.00 ms	1245.51 ms	19.51 ms
8fd192f	1202.10 ms	1220.19 ms	18.09 ms
e70670c	1223.47 ms	1238.67 ms	15.20 ms
605fa27	1226.31 ms	1251.35 ms	25.05 ms
be8375a	1212.65 ms	1239.72 ms	27.08 ms
48e5c8a	1223.02 ms	1242.38 ms	19.35 ms
00d9740	1223.53 ms	1249.75 ms	26.22 ms

App size

Revision	Plain	With Sentry	Diff
4b3f1af	23.75 KiB	981.30 KiB	957.56 KiB
25f2d2c	23.75 KiB	866.69 KiB	842.94 KiB
04ff3ec	23.75 KiB	880.26 KiB	856.52 KiB
cc7f629	23.75 KiB	878.48 KiB	854.73 KiB
8fd192f	23.74 KiB	872.75 KiB	849.01 KiB
e70670c	23.75 KiB	975.19 KiB	951.45 KiB
605fa27	23.75 KiB	908.03 KiB	884.28 KiB
be8375a	23.75 KiB	933.03 KiB	909.28 KiB
48e5c8a	23.75 KiB	913.63 KiB	889.88 KiB
00d9740	23.75 KiB	938.32 KiB	914.57 KiB

Previous results on branch: philprime/fix-crash-reporter-null-handling

Startup times

Revision	Plain	With Sentry	Diff
94f6473	1223.04 ms	1251.38 ms	28.33 ms
81f34e6	1222.77 ms	1248.67 ms	25.90 ms
88d138b	1222.39 ms	1253.94 ms	31.55 ms
97f2294	1217.53 ms	1250.04 ms	32.51 ms

App size

Revision	Plain	With Sentry	Diff
94f6473	23.75 KiB	977.41 KiB	953.66 KiB
81f34e6	23.74 KiB	976.91 KiB	953.17 KiB
88d138b	23.74 KiB	977.01 KiB	953.27 KiB
97f2294	23.75 KiB	980.98 KiB	957.23 KiB

[philprime]

@cursor review
@sentry review