Click Event Triggers on Complex Buttons are ignored in Pale Moon browser

[paulkamer]

Version

2.6.10

Reproduction link

https://jsfiddle.net/ye6vs8h3/

Steps to reproduce

Install Pale Moon browser http://www.palemoon.org/
Open the jsfiddle (https://jsfiddle.net/ye6vs8h3/).

When clicking directly on the Vue logo image, a click is not registered.
When clicking just next to it, still on the grey background, a click is registered correctly.

What is expected?

When clicking on a nested component, the click should bubble up to the parent element that has a @click handler.

What is actually happening?

The click is not bubbled up, so takes no effect.

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This issue is similar to several other bugfixes, for Adobe CEP and Mobile Safari:

#9462
#10366