Dropdown list interaction not smooth

The dropdown list interaction doesn’t seem to be smooth. It’s static despite inserting an animation. It seems to work for opacity though…
dropdown animation – open


dropdown animation – close



Here is my public share link: LINK
(how to access public share link)

Upon playing with the animations, I noticed that the text in dropdown–grid already appears before fully completing the dropdown animation, where as the “view in entire collection” works as normal…

Have you set a close delay in the dropdown settings?