fix loading indicator position/size for tree leafs

css/dijit.css

@@ -61,6 +61,11 @@
 	height : 9px;
 }
 
+.claro .dijitTreeNode .loadingExpando {
+	left : -3px;
+	height : 21px;
+}
+
 .claro .dijitFolderClosed,
 .claro .dijitFolderOpened {
 	display : none;

js/FeedTree.js

@@ -386,6 +386,7 @@ require(["dojo/_base/declare", "dojo/dom-construct", "dijit/Tree", "dijit/Menu"]
 				} else {
 					var icon = dojo.doc.createElement('img');
 					icon.src = src;
+					icon.className = 'loadingExpando';
 					domConstruct.place(icon, treeNode.expandoNode, 'only');
 					return true;
 				}