e_open - special case for dirs - if no explicit one set - use efm

enlightenment_open will use efm to show a dir unless you have explicit
config saying to use another handler for inode/directory mime types

src/bin/e_open.c

@@ -135,6 +135,11 @@ handler_find(const char *mime)
         eina_stringshare_del(name);
      }
 
+   if (!desktop)
+     {
+        if (!strcmp(mime, "inode/directory"))
+          desktop = efreet_util_desktop_file_id_find("enlightenment_filemanager.desktop");
+     }
    if (!desktop)
      desktop = desktop_first_free_others(efreet_util_desktop_mime_list(mime));