misc: configurator: Open folder callback bugfix

Open folder callback should append a path split after selecting working
folder, same way as it did with default one.

Tracked-On: #7418
Signed-off-by: Yifan Liu <yifan1.liu@intel.com>

misc/config_tools/configurator/src/pages/Welcome/NewConfiguration.vue

@@ -92,7 +92,7 @@ export default {
         multiple: false
       }).then((folderPath) => {
         if (folderPath.length > 0)
-          this.WorkingFolder = folderPath
+          this.WorkingFolder = folderPath + window.systemInfo.pathSplit
       })
     }
   }