fix(event): Message event includes current stack trace in threads

[krystofwoldrich]

📢 Type of change

• Bugfix
• New feature
• Enhancement
• Refactoring

📜 Description

By exporting event builder methods we could remove BrowserClient instance from RNClient.

• feat(browser): Export event builder methods for use in other SDKs sentry-javascript#6515

By adding threads to event. We could patch RN SDK before this patch makes in to JS SDK v8.

• feat(types): Add threads to Event sentry-javascript#6516

💡 Motivation and Context

closes: #2461

💚 How did you test it?

unit tests and sample app

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• All tests passing
• No breaking changes

🔮 Next steps

[github-actions]

Android (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	344.96 ms	363.58 ms	18.62 ms
Size	17.73 MiB	19.95 MiB	2.22 MiB

Baseline results on branch: 5.0.0

Startup times

Revision	Plain	With Sentry	Diff
b868b53+dirty	339.52 ms	369.84 ms	30.32 ms
d091239+dirty	425.61 ms	447.11 ms	21.50 ms

App size

Revision	Plain	With Sentry	Diff
b868b53+dirty	17.73 MiB	19.95 MiB	2.22 MiB
d091239+dirty	17.73 MiB	19.95 MiB	2.22 MiB

[github-actions]

iOS (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1268.27 ms	1280.54 ms	12.27 ms
Size	2.92 MiB	3.30 MiB	387.21 KiB

Baseline results on branch: 5.0.0

Startup times

Revision	Plain	With Sentry	Diff
b868b53+dirty	1253.68 ms	1253.94 ms	0.26 ms
d091239+dirty	1261.62 ms	1275.80 ms	14.17 ms

App size

Revision	Plain	With Sentry	Diff
b868b53+dirty	2.92 MiB	3.30 MiB	387.19 KiB
d091239+dirty	2.92 MiB	3.30 MiB	387.22 KiB

[github-actions]

Android (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	312.04 ms	337.94 ms	25.89 ms
Size	7.15 MiB	8.00 MiB	874.27 KiB

Baseline results on branch: 5.0.0

Startup times

Revision	Plain	With Sentry	Diff
b868b53+dirty	321.42 ms	342.74 ms	21.32 ms
d091239+dirty	340.16 ms	366.42 ms	26.26 ms

App size

Revision	Plain	With Sentry	Diff
b868b53+dirty	7.15 MiB	8.00 MiB	874.27 KiB
d091239+dirty	7.15 MiB	8.00 MiB	874.38 KiB

[github-actions]

iOS (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1268.90 ms	1280.56 ms	11.66 ms
Size	2.36 MiB	2.74 MiB	384.65 KiB

Baseline results on branch: 5.0.0

Startup times

Revision	Plain	With Sentry	Diff
b868b53+dirty	1274.90 ms	1305.68 ms	30.78 ms
d091239+dirty	1251.49 ms	1276.75 ms	25.26 ms

App size

Revision	Plain	With Sentry	Diff
b868b53+dirty	2.36 MiB	2.74 MiB	384.64 KiB
d091239+dirty	2.36 MiB	2.74 MiB	384.64 KiB