If the MultiSelect open event is prevented, the animation container has display:block style, blocking inputs beneath the MultiSelect
Regression introduced with 2022.2.621
Workaround: manually hide the animation container - https://dojo.telerik.com/EqOSOReM/38
The k-animation-container has display:block style, preventing the input beneath it from being focused
The k-animation-container should have display:none style.