🐛 Frontend: open node on Full Screen Mode (#5844)

Author: odeimaiz

services/static-webserver/client/source/class/osparc/desktop/StudyEditor.js

@@ -208,11 +208,20 @@ qx.Class.define("osparc.desktop.StudyEditor", {
             });
 
           const pageContext = study.getUi().getMode();
-          this.setPageContext(pageContext);
+          switch (pageContext) {
+            case "guided":
+            case "app":
+              this.__slideshowView.startSlides();
+              break;
+            default:
+              this.__workbenchView.openFirstNode();
+              break;
+          }
           this.addListener("changePageContext", e => {
             const pageCxt = e.getData();
             study.getUi().setMode(pageCxt);
           });
+          this.setPageContext(pageContext);
 
           const workbench = study.getWorkbench();
           workbench.addListener("retrieveInputs", e => {