navbar popup not closing popup when switching to collapsed false

Steps to Reproduce

run fiddle:

https://zkfiddle.org/sample/211uhep/1-navbar-popup-not-closing

select "item 2" (don't move mouse after click until the response was received)

Current Result

the navbar popup remains open 

Expected Result

the popup closes when switching to collapsed=false

Debug Information

when quickly moving the mouse outside the popup before the response is received the popup closes as expecte

Workaround