replay: add sensitive content widget to default masking

[buenaflor]

📜 Description

Masks the SensitiveContent widget ootb for replay

TBD: check how we can add backwards compat

💡 Motivation and Context

Closes #2987

💚 How did you test it?

📝 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

🔮 Next steps

[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

- add sensitive content widget to default masking ([#2989](https://github.com/getsentry/sentry-dart/pull/2989))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against 088cf62

[codecov]

Codecov Report

❌ Patch coverage is 73.33333% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.61%. Comparing base (2cf9161) to head (088cf62).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
flutter/lib/src/sentry_privacy_options.dart	73.33%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2989      +/-   ##
==========================================
+ Coverage   87.71%   88.61%   +0.90%     
==========================================
  Files         287       98     -189     
  Lines        9797     3575    -6222     
==========================================
- Hits         8593     3168    -5425     
+ Misses       1204      407     -797     

☔ View full report in Codecov by Sentry.
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[github-actions]

iOS Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1266.14 ms	1285.35 ms	19.20 ms
Size	7.86 MiB	9.44 MiB	1.58 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
dbd526b	1244.78 ms	1259.02 ms	14.24 ms
73dca78	1246.65 ms	1265.42 ms	18.76 ms
6ba4675	1223.12 ms	1238.17 ms	15.04 ms
ec78888	1251.37 ms	1269.40 ms	18.04 ms
0fb45d0	1273.24 ms	1286.44 ms	13.19 ms
2cf9161	1248.33 ms	1266.55 ms	18.22 ms
b6c8720	1252.65 ms	1266.61 ms	13.96 ms
93b7728	1247.23 ms	1264.87 ms	17.64 ms
2d34233	1258.19 ms	1268.92 ms	10.73 ms
6f47800	1247.52 ms	1259.37 ms	11.85 ms

App size

Revision	Plain	With Sentry	Diff
dbd526b	7.86 MiB	9.44 MiB	1.58 MiB
73dca78	7.86 MiB	9.44 MiB	1.58 MiB
6ba4675	7.86 MiB	9.44 MiB	1.58 MiB
ec78888	7.86 MiB	9.44 MiB	1.58 MiB
0fb45d0	7.86 MiB	9.44 MiB	1.58 MiB
2cf9161	7.86 MiB	9.44 MiB	1.58 MiB
b6c8720	7.86 MiB	9.44 MiB	1.58 MiB
93b7728	7.86 MiB	9.44 MiB	1.58 MiB
2d34233	7.86 MiB	9.44 MiB	1.58 MiB
6f47800	7.86 MiB	9.44 MiB	1.58 MiB

Previous results on branch: replay/add-sensitive-content

Startup times

Revision	Plain	With Sentry	Diff
5ce2839	1271.55 ms	1281.62 ms	10.07 ms

App size

Revision	Plain	With Sentry	Diff
5ce2839	7.86 MiB	9.44 MiB	1.58 MiB

[github-actions]

Android Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	462.73 ms	544.39 ms	81.65 ms
Size	6.54 MiB	7.70 MiB	1.16 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
e2d675d	457.92 ms	529.17 ms	71.25 ms
93b7728	475.28 ms	489.13 ms	13.86 ms
640ad0c	466.00 ms	552.67 ms	86.67 ms
79f6b41	469.66 ms	525.90 ms	56.24 ms
575ebaa	478.00 ms	585.76 ms	107.76 ms
dbd526b	504.88 ms	569.02 ms	64.15 ms
73a3c38	478.18 ms	526.62 ms	48.44 ms
aeb02f2	373.84 ms	437.00 ms	63.16 ms
0fb3800	465.64 ms	536.77 ms	71.13 ms
9b99523	456.91 ms	490.55 ms	33.64 ms

App size

Revision	Plain	With Sentry	Diff
e2d675d	6.54 MiB	7.69 MiB	1.15 MiB
93b7728	6.54 MiB	7.69 MiB	1.15 MiB
640ad0c	6.54 MiB	7.69 MiB	1.15 MiB
79f6b41	6.54 MiB	7.69 MiB	1.15 MiB
575ebaa	6.54 MiB	7.69 MiB	1.15 MiB
dbd526b	6.54 MiB	7.69 MiB	1.15 MiB
73a3c38	6.54 MiB	7.69 MiB	1.15 MiB
aeb02f2	6.54 MiB	7.69 MiB	1.15 MiB
0fb3800	6.54 MiB	7.69 MiB	1.15 MiB
9b99523	6.54 MiB	7.69 MiB	1.15 MiB

Previous results on branch: replay/add-sensitive-content

Startup times

Revision	Plain	With Sentry	Diff
5ce2839	462.72 ms	519.61 ms	56.89 ms

App size

Revision	Plain	With Sentry	Diff
5ce2839	6.54 MiB	7.69 MiB	1.15 MiB

[github-actions]

🚨 Detected changes in high risk code 🚨

High-risk code has higher potential to break the SDK and may be hard to test. To prevent severe bugs, apply the rollout process for releasing such changes and be extra careful when changing and reviewing these files:

• flutter/lib/src/screenshot/recorder.dart