Sometimes OpenLayers on iOS will zoom in or out with a single finger gesture.

[luda-dev]

Describe the bug
Sometimes OpenLayers on iOS will zoom in or out with a single finger gesture.

To Reproduce
Steps to reproduce the behavior:
When zooming in on the map, there are times when you may suddenly be able to directly zoom in or out with a single finger without realizing it.

Expected behavior
Use two fingers to zoom in and out of the map

[ahocevar]

Can this be reproduced with one of the examples at https://openlayers.org/en/latest/examples/?