Revert "fix(gestures): revert fix for dragging. Fixes #3695"

This reverts commit 1b0d3dd.

Author: mlynch

js/utils/gestures.js

@@ -1171,9 +1171,8 @@
 
       } else if (!this.preventedFirstMove && ev.srcEvent.type == 'touchmove') {
         // Prevent gestures that are not intended for this event handler from firing subsequent times
-
-        if (inst.options.prevent_default_directions.length === 0
-            || inst.options.prevent_default_directions.indexOf(ev.direction) != -1) {
+        if (inst.options.prevent_default_directions.length > 0
+            && inst.options.prevent_default_directions.indexOf(ev.direction) != -1) {
           ev.srcEvent.preventDefault();
         }
         this.preventedFirstMove = true;