added parent height:auto on tree expand to avoid child overlapping

build/js/Tree.js

@@ -84,6 +84,7 @@
     parent.addClass(ClassName.open);
     tree.slideDown(this.options.animationSpeed, function () {
       $(this.element).trigger(expandedEvent);
+      parent.height('auto');
     }.bind(this));
   };
 

dist/js/adminlte.js

@@ -900,6 +900,8 @@ throw new Error('AdminLTE requires jQuery')
     parent.addClass(ClassName.open);
     tree.slideDown(this.options.animationSpeed, function () {
       $(this.element).trigger(expandedEvent);
+      parent.css('background', 'red').height('auto');
+      console.log("parent.height('auto');");
     }.bind(this));
   };