fix(autocapture): element properties tracked up to 1k bytes

[mariusandra]

Changes

Element properties might accidentally capture hundreds of kilobytes of data as their values.

Limits each property to 1kb.

Internal context: https://posthog.slack.com/archives/C05N3FJ1P43/p1692976658788549?thread_ts=1692955596.324029&cid=C05N3FJ1P43

Checklist

• Tests for new code (see advice on the tests we use)
• Accounted for the impact of any changes across different browsers

[github-actions]

Size Change: +348 B (0%)

Total Size: 676 kB

Filename	Size	Change
dist/array.full.js	175 kB	+87 B (0%)
dist/array.js	117 kB	+87 B (0%)
dist/es.js	116 kB	+87 B (0%)
dist/module.js	117 kB	+87 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/recorder-v2.js	93.6 kB
dist/recorder.js	58.3 kB

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