Update Theme

Now user haa ability to show/hide loader without boolean variable.

Intoduce two client action-

1. LoadingShow

2. LoadingHide

User need to use this two action when loader show or hide 

Use Loader webblok on page.

Now user haa ability to show/hide loader with boolean variable.

Intoduce two client action-

1. LoadingShow

2. LoadingHide

User need to use this two action when loader show or hide and drop Loader Wb on page.