Use ViewUtils.getFileEntryDisplay() on creating new file

On creation of a file item, make sure we use
ViewUtils.getFileEntryDisplay() to set the right extension styles.

Author: rsegu

src/project/ProjectManager.js

@@ -1125,9 +1125,14 @@ define(function (require, exports, module) {
                     if (isFolder) {
                         _projectTree.jstree("sort", data.rslt.obj.parent());
                     }
-
+                    
                     _projectTree.jstree("select_node", data.rslt.obj, true);
-
+                    
+                    //If the new item is a file, generate the file display entry.
+                    if (!isFolder) {
+                        _projectTree.jstree("set_text", data.rslt.obj, ViewUtils.getFileEntryDisplay(entry));
+                    }
+                   
                     // Notify listeners that the project model has changed
                     $(exports).triggerHandler("projectFilesChange");