One workaround is to turn off keyboard navigation, but this hurts accessibility: https://leafletjs.com/reference-1.3.0.html#map-keyboard. We may be able to selectively turn this off when a touch screen is detected, but this is notoriously difficult to detect for all the different devices.
https://github.com/Leaflet/Leaflet/issues/5392
One workaround is to turn off keyboard navigation, but this hurts accessibility: https://leafletjs.com/reference-1.3.0.html#map-keyboard. We may be able to selectively turn this off when a touch screen is detected, but this is notoriously difficult to detect for all the different devices.