fix(sidenav): resolve jQuery conflict with handler

Fixes #4876.

Author: ThomasBurleson

src/components/sidenav/sidenav.js

@@ -249,7 +249,10 @@ function SidenavDirective($mdMedia, $mdUtil, $mdConstant, $mdTheming, $animate,
       sidenavCtrl.destroy();
     });
 
-    scope.$on('$destroy', angular.bind(backdrop, backdrop.remove));
+    scope.$on('$destroy', function(){
+      backdrop.remove()
+    });
+
     scope.$watch(isLocked, updateIsLocked);
     scope.$watch('isOpen', updateIsOpen);