feat: add hooks for session replay

[philprime]

📜 Description

These are two hooks that were side-effects while working on #4940

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

You have to check all boxes before merging:

• 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.
• I updated the wizard 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

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

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

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 hooks for session replay ([#4974](https://github.com/getsentry/sentry-cocoa/pull/4974))

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 89f1233

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.433%. Comparing base (b31ebf8) to head (89f1233).
Report is 2 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #4974       +/-   ##
=============================================
- Coverage   92.436%   92.433%   -0.004%     
=============================================
  Files          669       669               
  Lines        79226     79231        +5     
  Branches     28644     28649        +5     
=============================================
+ Hits         73234     73236        +2     
- Misses        5895      5899        +4     
+ Partials        97        96        -1     

Files with missing lines	Coverage Δ
Sources/Sentry/SentrySessionReplayIntegration.m	88.662% <100.000%> (+0.051%)	⬆️
...tegrations/SessionReplay/SentryReplayOptions.swift	95.774% <ø> (ø)
...ift/Tools/ViewCapture/SentryViewPhotographer.swift	74.468% <100.000%> (+1.134%)	⬆️

... and 9 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1232.67 ms	1255.54 ms	22.87 ms
Size	22.30 KiB	832.28 KiB	809.97 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
f05aa59	1211.31 ms	1249.73 ms	38.42 ms
b0e218b	1218.14 ms	1230.33 ms	12.19 ms
db533ee	1228.96 ms	1248.23 ms	19.28 ms
2af280d	1226.46 ms	1229.81 ms	3.35 ms
db31083	1252.52 ms	1266.65 ms	14.13 ms
16c38a2	1228.38 ms	1245.70 ms	17.32 ms
cf724da	1243.14 ms	1261.44 ms	18.30 ms
c0c1496	1201.19 ms	1228.36 ms	27.17 ms
8fd8904	1221.69 ms	1239.66 ms	17.97 ms
6bc5ae5	1207.23 ms	1216.66 ms	9.43 ms

App size

Revision	Plain	With Sentry	Diff
f05aa59	22.30 KiB	749.84 KiB	727.54 KiB
b0e218b	21.58 KiB	638.28 KiB	616.70 KiB
db533ee	21.58 KiB	547.02 KiB	525.44 KiB
2af280d	20.76 KiB	435.22 KiB	414.46 KiB
db31083	22.85 KiB	407.62 KiB	384.77 KiB
16c38a2	21.90 KiB	726.19 KiB	704.29 KiB
cf724da	20.76 KiB	430.52 KiB	409.76 KiB
c0c1496	22.85 KiB	407.45 KiB	384.60 KiB
8fd8904	21.58 KiB	656.60 KiB	635.02 KiB
6bc5ae5	20.76 KiB	401.39 KiB	380.63 KiB