fix dragToPan when flickEnabled is activated #2463

src/viewer.js

@@ -3236,6 +3236,7 @@ function onCanvasDragEnd( event ) {
 
     if (!canvasDragEndEventArgs.preventDefaultAction && this.viewport) {
         if ( !THIS[ this.hash ].draggingToZoom &&
+            gestureSettings.dragToPan &&
             gestureSettings.flickEnabled &&
             event.speed >= gestureSettings.flickMinSpeed) {
             var amplitudeX = 0;