<overlay-trigger> Repeatedly clicking on trigger with click-content permanently disables overlay

[msdewey]

Overview

There is a bug where if you use an overlay-trigger, and slot an element into "click-content", and then repeatedly click the "trigger" slotted element in quick succession, it will permanently disable the overlay from appearing.

Expected Behaviour

Click-triggered overlays should be able to handle fast repeated clicks.

Actual Behaviour

Clicking repeatedly will permanently disable the overlay from appearing.

Reproduce Scenario (including but not limited to)

overlay-trigger with trigger slotted element and a click-content slotted element

Steps to Reproduce

Click repeatedly really fast on the trigger element

[Westbrook]

This very likely an alternate reproduction of the issue found in #511