fix: Correct redact UIView with higher zPosition

[brustolin]

📜 Description

Taking zPosition in account when redacting the SR

💚 How did you test it?

Unit test

📝 Checklist

You have to check all boxes before merging:

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.679%. Comparing base (ffdf298) to head (87f9520).

Additional details and impacted files

@@                        Coverage Diff                         @@
##           fix/redact-under-translucent     #4309       +/-   ##
==================================================================
+ Coverage                        91.676%   91.679%   +0.003%     
==================================================================
  Files                               617       617               
  Lines                             50244     50252        +8     
  Branches                          18100     18086       -14     
==================================================================
+ Hits                              46062     46071        +9     
  Misses                             4089      4089               
+ Partials                             93        92        -1     

Files with missing lines	Coverage Δ
Sources/Swift/Tools/UIRedactBuilder.swift	100.000% <100.000%> (ø)
...ests/SentryTests/SentryViewPhotographerTests.swift	99.082% <100.000%> (+0.082%)	⬆️

... and 2 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1243.56 ms	1263.69 ms	20.12 ms
Size	21.58 KiB	710.79 KiB	689.21 KiB

Baseline results on branch: fix/redact-under-translucent

Startup times

Revision	Plain	With Sentry	Diff
1e7fd29	1242.35 ms	1260.59 ms	18.24 ms

App size

Revision	Plain	With Sentry	Diff
1e7fd29	21.58 KiB	707.14 KiB	685.56 KiB

[bruno-garcia]

@brustolin CI failed

[armcknight]

I reran it for the 3rd time and it passed :/

[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

- Correct redact UIView with higher zPosition ([#4309](https://github.com/getsentry/sentry-cocoa/pull/4309))

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

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