MINOR,REFA: setting page title postponed to generate

src/context.js

@@ -154,14 +154,20 @@ class PageBuilder extends ScriptAndStyleContext {
 
     setPageTitle(title) {
         this._apptitle = title;
-        document.querySelector("title")
-            .innerText = title;
     }
 
 
 
     generate() {
         super.generate();
+
+        let docBody = document.querySelector('body');
+
+        if (this._apptitle) {
+            document.querySelector("title")
+                .innerText = this._apptitle;
+        }
+
         if (this.#showFrameworkConsole) {
             let pageContextControlPanel = frameworkControlPanel(this._extensions);
             pageContextControlPanel = pageContextControlPanel.generate();