Replace [`map.getFeaturesAtPixel()`](https://github.com/geo6/mapper/blob/68d032224482a1263f9078b41f860bf0c5712f4d/resources/javascript/File.ts#L216-L221) (and [`Marker`](https://github.com/geo6/mapper/blob/68d032224482a1263f9078b41f860bf0c5712f4d/resources/javascript/map/marker.js#L11)) by [`ol/interaction/Select`](https://openlayers.org/en/latest/apidoc/module-ol_interaction_Select-Select.html) Check if `ol/interaction/Select` is compatible with WMS (but it seems so) !
Replace
map.getFeaturesAtPixel()(andMarker) byol/interaction/SelectCheck if
ol/interaction/Selectis compatible with WMS (but it seems so) !