fix: Masking text with transparent text color

[brustolin]

📜 Description

Labels with transparent text color get a transparent rectangle masking over. Removed the alpha component of the text color to use in the masking.

💚 How did you test it?

Unit tests

📝 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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.444%. Comparing base (ed470cf) to head (6ffd94a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #4499       +/-   ##
=============================================
+ Coverage   91.439%   91.444%   +0.004%     
=============================================
  Files          616       616               
  Lines        68794     68808       +14     
  Branches     24677     24686        +9     
=============================================
+ Hits         62905     62921       +16     
+ Misses        5796      5794        -2     
  Partials        93        93               

Files with missing lines	Coverage Δ
Sources/Swift/Tools/UIRedactBuilder.swift	92.857% <100.000%> (ø)
Tests/SentryTests/UIRedactBuilderTests.swift	100.000% <100.000%> (ø)

... and 12 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1229.92 ms	1250.65 ms	20.73 ms
Size	21.90 KiB	725.96 KiB	704.06 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
a0601b7	1221.23 ms	1231.71 ms	10.48 ms
704d854	1219.82 ms	1243.69 ms	23.87 ms
455619d	1253.08 ms	1265.06 ms	11.98 ms
b2e7962	1234.70 ms	1241.98 ms	7.28 ms
5230990	1222.86 ms	1243.59 ms	20.73 ms
33b2f51	1251.24 ms	1259.18 ms	7.94 ms
df2986b	1227.45 ms	1244.35 ms	16.90 ms
6e342ac	1216.02 ms	1232.88 ms	16.86 ms
c45c91c	1229.49 ms	1242.94 ms	13.45 ms
25a5e8b	1249.18 ms	1268.42 ms	19.24 ms

App size

Revision	Plain	With Sentry	Diff
a0601b7	21.58 KiB	682.12 KiB	660.54 KiB
704d854	21.58 KiB	615.98 KiB	594.40 KiB
455619d	20.76 KiB	432.87 KiB	412.11 KiB
b2e7962	21.58 KiB	670.39 KiB	648.81 KiB
5230990	21.58 KiB	682.39 KiB	660.81 KiB
33b2f51	20.76 KiB	432.17 KiB	411.41 KiB
df2986b	22.85 KiB	406.89 KiB	384.04 KiB
6e342ac	20.76 KiB	436.66 KiB	415.90 KiB
c45c91c	21.58 KiB	714.30 KiB	692.72 KiB
25a5e8b	20.76 KiB	436.33 KiB	415.57 KiB

[philipphofmann]

LGTM