chore: autocapture performance test

[daniel-graham-amplitude]

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Bug: Click Duration Metric Displays Incorrect Value

The "Last click time" metric is incorrectly calculated. It uses Date.now() - startTime, which displays the elapsed time since the last measurement began, rather than the actual duration of the last completed click. This results in an inaccurate or continuously increasing value. The correct duration, which is already calculated and stored (e.g., in the clickTimes array), should be displayed instead.

test-server/autocapture/performance-test.html#L180-L181

Amplitude-TypeScript/test-server/autocapture/performance-test.html

Lines 180 to 181 in 28a4e6f

	<p>Median time per click: ${medianTime}ms</p>
	<p>Last click time: ${startTime > 0 ? (Date.now() - startTime).toFixed(2) : 0}ms</p>

Fix in Cursor • Fix in Web

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