fix(scrollView): fix clonedInputs not being removed for large textareas

on keyboardshow

Closes #1420.

Author: tlancina

Diff for: js/views/scrollView.js

@@ -671,9 +671,12 @@ ionic.views.Scroll = ionic.views.View.inherit({
           var elementTopOffsetToScrollBottom = e.detail.elementTop - scrollBottomOffsetToTop;
 
           var scrollTop = elementTopOffsetToScrollBottom  + scrollMidpointOffset;
-          ionic.tap.cloneFocusedInput(container, self);
-          self.scrollBy(0, scrollTop, true);
-          self.onScroll();
+
+          if (scrollTop > 0){
+            ionic.tap.cloneFocusedInput(container, self);
+            self.scrollBy(0, scrollTop, true);
+            self.onScroll();
+          }
         }, delay);
       }