fix: Crash during SDK initialization due to corrupted envelope

[brustolin]

This reverts commit 804fd04.

📜 Description

Reverting #4219 to further investigation

💡 Motivation and Context

Close #4280

[kahest]

🚀

[codecov]

Codecov Report

Attention: Patch coverage is 82.35294% with 3 lines in your changes missing coverage. Please review.

Project coverage is 91.714%. Comparing base (8ef07fb) to head (93806cf).
Report is 1 commits behind head on main.

Files	Patch %	Lines
Sources/Sentry/SentrySerialization.m	77.777%	2 Missing ⚠️
Sources/Sentry/SentryFileManager.m	75.000%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #4291       +/-   ##
=============================================
+ Coverage   91.682%   91.714%   +0.032%     
=============================================
  Files          617       617               
  Lines        50218     50195       -23     
  Branches     18127     18122        -5     
=============================================
- Hits         46041     46036        -5     
+ Misses        4085      4067       -18     
  Partials        92        92               

Files	Coverage Δ
...ts/SentryTests/Helper/SentryFileManagerTests.swift	99.299% <100.000%> (-0.004%)	⬇️
...tryTests/Networking/SentryHttpTransportTests.swift	99.702% <100.000%> (-0.001%)	⬇️
Sources/Sentry/SentryFileManager.m	93.281% <75.000%> (+0.531%)	⬆️
Sources/Sentry/SentrySerialization.m	91.826% <77.777%> (+0.199%)	⬆️

... and 8 files with indirect coverage changes

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1211.61 ms	1238.29 ms	26.67 ms
Size	21.58 KiB	706.46 KiB	684.88 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
fa1ec44	1216.80 ms	1244.42 ms	27.62 ms
596ccc1	1230.85 ms	1244.24 ms	13.39 ms
d253cdf	1231.61 ms	1259.52 ms	27.91 ms
649d940	1227.06 ms	1245.19 ms	18.13 ms
5e78d2b	1229.90 ms	1252.94 ms	23.04 ms
4977fbc	1217.26 ms	1239.82 ms	22.56 ms
94e1968	1234.41 ms	1252.63 ms	18.22 ms
2af280d	1246.22 ms	1253.10 ms	6.88 ms
ebeb68c	1216.27 ms	1243.80 ms	27.53 ms
dd0557f	1251.82 ms	1256.76 ms	4.94 ms

App size

Revision	Plain	With Sentry	Diff
fa1ec44	21.58 KiB	670.39 KiB	648.81 KiB
596ccc1	22.84 KiB	401.44 KiB	378.60 KiB
d253cdf	20.76 KiB	427.66 KiB	406.90 KiB
649d940	21.58 KiB	695.36 KiB	673.78 KiB
5e78d2b	22.85 KiB	411.17 KiB	388.32 KiB
4977fbc	20.76 KiB	419.85 KiB	399.10 KiB
94e1968	21.58 KiB	614.74 KiB	593.15 KiB
2af280d	20.76 KiB	435.22 KiB	414.46 KiB
ebeb68c	21.58 KiB	698.37 KiB	676.79 KiB
dd0557f	22.85 KiB	411.75 KiB	388.91 KiB