[Placeholder] Placeholder transition hidden doesn't hide

[ronzyfonzy]

[Placeholder] Placeholder transition hidden doesn't hide

Steps

Create a div with ui placeholder segment transition hidden classes. After this div add a button.

Expected Result

The button should be render on top of the page

Actual Result

The placeholder segment doesn't set the display css parameter to none via the transition hidden classes so that the button is below the placeholder segment.

Version

2.4.0

Testcase

https://jsfiddle.net/zqfrjso1/4/