Fix(gridColumn): fix #3423 sortChanged should pass grid

Author: PaulL1

src/features/exporter/test/exporter.spec.js

@@ -89,7 +89,7 @@ describe('ui.grid.exporter uiGridExporterService', function () {
       });
     });
 
-    iit('set all options to non-default, including using deprecated exporterAllDataPromise', function() {
+    it('set all options to non-default, including using deprecated exporterAllDataPromise', function() {
       var callback = function() {};
       options = {
         exporterSuppressMenu: true,

src/js/core/factories/GridColumn.js

@@ -724,7 +724,7 @@ angular.module('ui.grid')
     // as is
     GridColumn.prototype.unsort = function () {
       this.sort = {};
-      self.grid.api.core.raise.sortChanged( self, self.grid.getColumnSorting() );
+      self.grid.api.core.raise.sortChanged( self.grid, self.grid.getColumnSorting() );
     };
 
   };