E.g., when reading an article in a feed and an out-of-view div expands or collapses, moving the current article up or down
Alternatively (if included in this definition), when entering text in a search field and an inline drawer slides down with suggested queries, pushing content further down the page—clicking on links anywhere beneath the pushed text will close the drawer upon leaving focus, snapping the page, disorienting the user, and not registering as a hyperlink click, as intended.
Is there an established term or phrase for this issue? (Mainly so I can read more about it.)