feat: reecord when timestamp is overriden by caller

[pauldambra]

While investigating a support ticket I discovered that we have a mechanism to let someone override the timestamp when capturing events. That feels open to confusion

Let's add properties when that happens so we know it did

[github-actions]

Size Change: +477 B (0%)

Total Size: 861 kB

Filename	Size	Change
dist/array.full.js	185 kB	+120 B (0%)
dist/array.js	126 kB	+119 B (0%)
dist/es.js	126 kB	+119 B (0%)
dist/module.js	127 kB	+119 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/exception-autocapture.js	12 kB
dist/recorder-v2.js	106 kB
dist/recorder.js	58.6 kB
dist/surveys-module-previews.js	62 kB
dist/surveys.js	58.3 kB

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