Steps to reproduce:
Search for something (e.g., "test") on iOS. Then, open the settings overlay. The underlying search page keeps reacting to scroll and pull-down events:
— if one pulls down the page to refresh, it will refresh the search page, closing the settings overlay in response to the refresh call
— if one scrolls on the settings page, one can see the content of the search page scrolling in the background.
The settings overlay should capture all input events, such that the underlying search page does not react to some input events like scrolling or pulling down the page
The video can be downloaded from here (sorry for that, but I was unable to upload any video—I always got the "Oops! Something went wrong. Please reload the page and try again." error)