Fix : added missing Method on BaseSelect

- TODO : Review usage of hideHighlightedPixel in Tools

js/drawingtools/selectiontools/BaseSelect.js

@@ -89,6 +89,10 @@
     }
   };
 
+  ns.BaseSelect.prototype.hideHighlightedPixel = function() {
+    // there is no highlighted pixel for selection tools, do nothing
+  };
+
   /**
    * For each pixel in the selection draw it in white transparent on the tool overlay
    * @protected