Added title optional property to the NavigationOptions interface

Author: Arsen Aghajanyan

src/XrmDefinitelyTyped/Resources/Extensions/xrm_ext_9-.d.ts

@@ -558,6 +558,11 @@ declare namespace Xrm {
          * Number. Specify 1 to open the dialog in center; 2 to open the dialog on the side. Default is 1 (center).
          */
         position?: NavigationOptionsPosition;
+
+        /**
+         * String. The dialog title on top of the center or side dialog.
+         */
+        title?: string;
     }
 
     /**