Revert #4271 and disable parent scroll view on dragging

Author: tsorencraig

Source/Charts/Charts/BarLineChartViewBase.swift

@@ -739,6 +739,10 @@ open class BarLineChartViewBase: ChartViewBase, BarLineScatterCandleBubbleChartD
                 // We will only handle highlights on NSUIGestureRecognizerState.Changed
 
                 _isDragging = false
+                
+                // Prevent the parent scroll view from scrolling
+                _outerScrollView?.nsuiIsScrollEnabled = false
+
             }
         }
         else if recognizer.state == NSUIGestureRecognizerState.changed
@@ -790,15 +794,15 @@ open class BarLineChartViewBase: ChartViewBase, BarLineScatterCandleBubbleChartD
                 }
 
                 _isDragging = false
-                
-                delegate?.chartViewDidEndPanning?(self)
             }
 
             if _outerScrollView !== nil
             {
                 _outerScrollView?.nsuiIsScrollEnabled = true
                 _outerScrollView = nil
             }
+
+            delegate?.chartViewDidEndPanning?(self)
         }
     }