Missing "Done" button on select field display [iOS]

[ezwelty]

The usual "Done" button to close the dropdown menu selector in iOS is not appearing (iPhone SE, iOS 12.4.1). Possible solutions are given at https://stackoverflow.com/questions/31839925/bug-no-done-button-for-select-tag-in-ios (in particular: https://stackoverflow.com/a/65308551).