fix(core): Subtract `performance.now()` from `browserPerformanceTimeOrigin` fallback

[github-actions]

Note

The pull request "fix(core): Subtract performance.now() from browserPerformanceTimeOrigin fallback" was created by @Lms24 but did not reference an issue. Therefore this issue was created for better visibility in external tools like Linear.

[linear]

JS-1415

[github-actions]

A PR closing this issue has just been released 🚀

This issue was referenced by PR #18715, which was included in the 10.33.0 release.