fix: Add null-handling for value in profile timeseries

[philprime]

This PR is derived from #5572 in an effort to make the large amount of changes easier to review for #5577.

Adds silencing of a null-handling warning by ignoring it, because Objective-C dictionaries should be able to handle null.

#skip-changelog

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.622%. Comparing base (d88a5e4) to head (aa46cb6).
⚠️ Report is 5 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #5806       +/-   ##
=============================================
+ Coverage   86.620%   86.622%   +0.001%     
=============================================
  Files          423       423               
  Lines        36400     36405        +5     
  Branches     17215     17225       +10     
=============================================
+ Hits         31530     31535        +5     
+ Misses        4823      4822        -1     
- Partials        47        48        +1     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryProfileTimeseries.m	73.033% <100.000%> (+14.700%)	⬆️

... and 7 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1220.31 ms	1251.68 ms	31.37 ms
Size	23.75 KiB	913.63 KiB	889.88 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
db9572a	1200.27 ms	1234.80 ms	34.53 ms
1b9991e	1233.45 ms	1256.61 ms	23.17 ms
9add417	1224.33 ms	1243.06 ms	18.73 ms
e3767a1	1224.20 ms	1257.16 ms	32.96 ms
51f74d7	1236.31 ms	1247.43 ms	11.12 ms
f5d202b	1237.90 ms	1259.49 ms	21.59 ms
c63e0fe	1230.58 ms	1253.94 ms	23.35 ms
438caec	1230.02 ms	1250.00 ms	19.98 ms
d38165b	1211.41 ms	1242.49 ms	31.08 ms
5bf2b17	1213.53 ms	1238.54 ms	25.01 ms

App size

Revision	Plain	With Sentry	Diff
db9572a	23.75 KiB	858.69 KiB	834.93 KiB
1b9991e	23.75 KiB	908.01 KiB	884.26 KiB
9add417	23.75 KiB	908.40 KiB	884.65 KiB
e3767a1	23.75 KiB	913.14 KiB	889.39 KiB
51f74d7	23.74 KiB	874.08 KiB	850.34 KiB
f5d202b	23.75 KiB	904.53 KiB	880.78 KiB
c63e0fe	23.74 KiB	874.08 KiB	850.33 KiB
438caec	23.74 KiB	913.14 KiB	889.40 KiB
d38165b	23.75 KiB	855.37 KiB	831.62 KiB
5bf2b17	23.75 KiB	913.27 KiB	889.52 KiB

Previous results on branch: philprime/strict-nullability-16

Startup times

Revision	Plain	With Sentry	Diff
44fbb9c	1247.45 ms	1252.27 ms	4.82 ms
1f9d772	1240.61 ms	1264.41 ms	23.80 ms

App size

Revision	Plain	With Sentry	Diff
44fbb9c	23.75 KiB	913.39 KiB	889.64 KiB
1f9d772	23.74 KiB	913.38 KiB	889.63 KiB

[philipphofmann]

Those null-handling silencing PRs are excellent bug detectors 😄

[philprime]

cursor review

[philipphofmann]

Thanks for adding tests, LGTM

[philprime]

@codecov-ai-reviewer test

[codecov-ai]

On it! Codecov is generating unit tests for this PR.