initial function call added, fix

common/lib/xmodule/xmodule/js/src/graphical_slider_tool/el_output.js

@@ -123,6 +123,7 @@ define('ElOutput', ['logme'], function (logme) {
                 el.html(func.apply(window, state.getAllParameterValues()));
             } else {
                 el = null;
+                func.apply(window, state.getAllParameterValues());
             }
 
             state.addDynamicEl(el, func, obj['@el_id'], updateOnEvent);

common/lib/xmodule/xmodule/js/src/graphical_slider_tool/state.js

@@ -239,6 +239,7 @@ define('State', ['logme'], function (logme) {
             for (c1 = 0; c1 < dynamicEl.length; c1++) {
                 if (dynamicEl[c1].el === null) {
                     dynamicEl[c1].func.apply(window, allParameterValues);
+                    continue;
                 }
 
                 if (