fix(session-replay): add masking improvements

[philprime]

📜 Description

This is a WIP PR to review analysis attempts and improvements for session replay masking

💡 Motivation and Context

See #4864

#skip-changelog

[codecov]

Codecov Report

Attention: Patch coverage is 0.45662% with 218 lines in your changes missing coverage. Please review.

Project coverage is 8.918%. Comparing base (ef25af3) to head (7260f00).

Files with missing lines	Patch %	Lines
...urces/Swift/Tools/ViewRedaction/RedactRegion.swift	0.000%	51 Missing ⚠️
...egrations/SessionReplay/SentryOnDemandReplay.swift	0.000%	46 Missing ⚠️
...es/Swift/Tools/ViewRedaction/UIRedactBuilder.swift	0.000%	42 Missing ⚠️
.../Swift/Tools/ViewRedaction/ViewHierarchyNode.swift	0.000%	35 Missing ⚠️
...tegrations/SessionReplay/SentrySessionReplay.swift	0.000%	19 Missing ⚠️
...rations/SessionReplay/SentryReplayVideoMaker.swift	0.000%	9 Missing ⚠️
Sources/Sentry/SentrySessionReplayIntegration.m	0.000%	7 Missing ⚠️
.../Tools/ViewCapture/SentryDefaultMaskRenderer.swift	0.000%	3 Missing ⚠️
...ift/Tools/ViewCapture/SentryViewPhotographer.swift	0.000%	3 Missing ⚠️
Sources/Sentry/include/SentryDisplayLinkWrapper.m	0.000%	1 Missing ⚠️
... and 2 more

❗ There is a different number of reports uploaded between BASE (ef25af3) and HEAD (7260f00). Click for more details.

HEAD has 3 uploads less than BASE

Flag	BASE (ef25af3)	HEAD (7260f00)
	4	1

Additional details and impacted files

@@              Coverage Diff              @@
##              main    #5073        +/-   ##
=============================================
- Coverage   92.735%   8.918%   -83.818%     
=============================================
  Files          674      360       -314     
  Lines        83547    25913     -57634     
  Branches     30442       94     -30348     
=============================================
- Hits         77478     2311     -75167     
- Misses        5972    23602     +17630     
+ Partials        97        0        -97     

Files with missing lines	Coverage Δ
...tegrations/SessionReplay/SentryReplayOptions.swift	22.580% <100.000%> (-73.310%)	⬇️
Sources/Sentry/include/SentryDisplayLinkWrapper.m	0.000% <0.000%> (-100.000%)	⬇️
...ssionReplay/Preview/SentryMaskingPreviewView.swift	0.000% <0.000%> (-86.275%)	⬇️
...s/ViewCapture/SentryExperimentalMaskRenderer.swift	0.000% <0.000%> (ø)
.../Tools/ViewCapture/SentryDefaultMaskRenderer.swift	0.000% <0.000%> (-100.000%)	⬇️
...ift/Tools/ViewCapture/SentryViewPhotographer.swift	0.000% <0.000%> (-73.334%)	⬇️
Sources/Sentry/SentrySessionReplayIntegration.m	0.000% <0.000%> (-88.611%)	⬇️
...rations/SessionReplay/SentryReplayVideoMaker.swift	0.000% <0.000%> (-100.000%)	⬇️
...tegrations/SessionReplay/SentrySessionReplay.swift	0.000% <0.000%> (-97.657%)	⬇️
.../Swift/Tools/ViewRedaction/ViewHierarchyNode.swift	0.000% <0.000%> (ø)
... and 3 more

... and 655 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1221.98 ms	1252.28 ms	30.30 ms
Size	22.30 KiB	860.34 KiB	838.03 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
ff5f4e7	1241.34 ms	1258.04 ms	16.70 ms
596ccc1	1223.80 ms	1249.44 ms	25.64 ms
8fd8904	1221.69 ms	1239.66 ms	17.97 ms
f5c35a1	1227.98 ms	1232.84 ms	4.86 ms
a34f08c	1234.08 ms	1246.40 ms	12.31 ms
26d116c	1196.14 ms	1209.51 ms	13.37 ms
f2daa68	1211.14 ms	1217.53 ms	6.39 ms
326b7eb	1252.86 ms	1259.56 ms	6.70 ms
b8dd0fc	1268.96 ms	1271.90 ms	2.94 ms
d9f518a	1227.87 ms	1248.19 ms	20.31 ms

App size

Revision	Plain	With Sentry	Diff
ff5f4e7	21.58 KiB	572.91 KiB	551.33 KiB
596ccc1	22.84 KiB	401.44 KiB	378.59 KiB
8fd8904	21.58 KiB	656.60 KiB	635.02 KiB
f5c35a1	22.31 KiB	768.83 KiB	746.52 KiB
a34f08c	22.30 KiB	730.30 KiB	708.00 KiB
26d116c	21.58 KiB	417.87 KiB	396.29 KiB
f2daa68	21.58 KiB	418.40 KiB	396.82 KiB
326b7eb	20.76 KiB	432.31 KiB	411.55 KiB
b8dd0fc	20.76 KiB	401.39 KiB	380.63 KiB
d9f518a	22.30 KiB	730.75 KiB	708.45 KiB