Improve SentryException#value, remove stringified stack trace

[denrase]

📜 Description

• Remove stack trace from SentryException.value.

💡 Motivation and Context

Closes #1421

💚 How did you test it?

Tests

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPii is enabled
• I updated the docs if needed
• All tests passing
• No breaking changes

[github-actions]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against 1d6a2cc

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (fcd1ee4) 90.18% compared to head (1d6a2cc) 90.18%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1470   +/-   ##
=======================================
  Coverage   90.18%   90.18%           
=======================================
  Files         181      181           
  Lines        5776     5779    +3     
=======================================
+ Hits         5209     5212    +3     
  Misses        567      567           

Impacted Files	Coverage Δ
dart/lib/src/sentry_exception_factory.dart	100.00% <100.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[github-actions]

Android Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	303.31 ms	364.98 ms	61.67 ms
Size	6.16 MiB	7.13 MiB	1000.89 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8cb6557	321.20 ms	370.46 ms	49.26 ms
e893df5	310.60 ms	380.58 ms	69.98 ms
af2d175	279.08 ms	312.37 ms	33.29 ms
a1a1545	295.21 ms	351.16 ms	55.95 ms
ef31c7f	311.39 ms	359.33 ms	47.94 ms
8a7f528	290.27 ms	341.80 ms	51.53 ms
559d28f	302.35 ms	339.53 ms	37.18 ms
6d7a391	331.94 ms	367.04 ms	35.10 ms
2d3b03d	309.53 ms	353.40 ms	43.87 ms
fcd1ee4	298.96 ms	376.04 ms	77.09 ms

App size

Revision	Plain	With Sentry	Diff
8cb6557	6.06 MiB	7.03 MiB	997.01 KiB
e893df5	6.06 MiB	7.09 MiB	1.03 MiB
af2d175	5.94 MiB	6.92 MiB	1001.83 KiB
a1a1545	5.94 MiB	6.96 MiB	1.02 MiB
ef31c7f	6.06 MiB	7.09 MiB	1.03 MiB
8a7f528	6.06 MiB	7.03 MiB	989.36 KiB
559d28f	5.94 MiB	6.92 MiB	1001.70 KiB
6d7a391	5.94 MiB	6.95 MiB	1.01 MiB
2d3b03d	6.06 MiB	7.09 MiB	1.03 MiB
fcd1ee4	6.16 MiB	7.13 MiB	1000.85 KiB

Previous results on branch: feat/improve-sentry-exception-value

Startup times

Revision	Plain	With Sentry	Diff
ae20cfb	294.58 ms	345.96 ms	51.38 ms
4d1ac36	362.30 ms	410.94 ms	48.64 ms
e9bf9bd	338.76 ms	377.23 ms	38.48 ms
b2e6faa	331.94 ms	375.81 ms	43.87 ms
f3bc9f4	348.11 ms	401.10 ms	52.99 ms

App size

Revision	Plain	With Sentry	Diff
ae20cfb	6.16 MiB	7.13 MiB	1000.82 KiB
4d1ac36	6.15 MiB	7.13 MiB	1002.40 KiB
e9bf9bd	6.15 MiB	7.13 MiB	999.91 KiB
b2e6faa	6.15 MiB	7.13 MiB	1000.01 KiB
f3bc9f4	6.15 MiB	7.13 MiB	1000.33 KiB

[github-actions]

iOS Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1252.69 ms	1269.18 ms	16.49 ms
Size	8.29 MiB	9.36 MiB	1.07 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
69670c9	1269.18 ms	1288.69 ms	19.51 ms
f96ca24	1264.39 ms	1287.98 ms	23.59 ms
3a69405	1292.84 ms	1303.96 ms	11.12 ms
dd1f7d2	1263.16 ms	1275.15 ms	11.99 ms
8cb6557	1265.14 ms	1266.08 ms	0.94 ms
5aab4c5	1247.08 ms	1271.17 ms	24.09 ms
457a85b	1275.17 ms	1285.51 ms	10.34 ms
b49bf00	1248.00 ms	1260.35 ms	12.35 ms
613760b	1263.10 ms	1277.27 ms	14.16 ms
e2d89fc	1251.80 ms	1261.92 ms	10.11 ms

App size

Revision	Plain	With Sentry	Diff
69670c9	8.10 MiB	9.08 MiB	1004.49 KiB
f96ca24	8.10 MiB	9.08 MiB	1004.36 KiB
3a69405	8.15 MiB	9.15 MiB	1018.56 KiB
dd1f7d2	8.10 MiB	9.16 MiB	1.07 MiB
8cb6557	8.10 MiB	9.18 MiB	1.08 MiB
5aab4c5	8.10 MiB	9.16 MiB	1.07 MiB
457a85b	8.09 MiB	9.07 MiB	1000.88 KiB
b49bf00	8.10 MiB	9.08 MiB	1004.36 KiB
613760b	8.15 MiB	9.13 MiB	1000.46 KiB
e2d89fc	8.10 MiB	9.16 MiB	1.06 MiB

Previous results on branch: feat/improve-sentry-exception-value

Startup times

Revision	Plain	With Sentry	Diff
ae20cfb	1264.68 ms	1271.02 ms	6.34 ms
e9bf9bd	1238.84 ms	1245.80 ms	6.96 ms
f3bc9f4	1234.08 ms	1237.06 ms	2.98 ms
b2e6faa	1277.55 ms	1285.22 ms	7.67 ms
4d1ac36	1249.86 ms	1262.48 ms	12.62 ms

App size

Revision	Plain	With Sentry	Diff
ae20cfb	8.29 MiB	9.36 MiB	1.07 MiB
e9bf9bd	8.29 MiB	9.36 MiB	1.07 MiB
f3bc9f4	8.29 MiB	9.36 MiB	1.07 MiB
b2e6faa	8.29 MiB	9.36 MiB	1.07 MiB
4d1ac36	8.29 MiB	9.36 MiB	1.07 MiB

[marandaneto]

@denrase let's make CI happy and address the open comment, after that, LGTM.