Clicking on The Drop-Down Scroll Closes the Dropdown

[mdashti]

Prerequisites

• I am running the latest version
• I checked the documentation and found no answer
• I checked to make sure that this issue has not already been filed

💥 Demo Page

https://jsbin.com/covoheyuyi/edit?html,js,output

Explanation

Here is a related JSBIN:

https://jsbin.com/covoheyuyi/edit?html,js,output

If you type aaa in the box, a list of suggestions is shown. As the list is long, there's a scroll on the side of selection box. However, if you try to use the scroll, the drop-down gets closed.