Fix: prevent duplication of navigation buttons in ILIAS 9 (refs #45442) (#9891)

Author: alex40724

components/ILIAS/LearningModule/Presentation/class.ilLMNavigationRendererGUI.php

@@ -89,6 +89,8 @@ public function renderBottom(): string
 
     protected function render(bool $top = true): string
     {
+        $this->toolbar->setStickyItems([]);
+
         $page_id = $this->current_page;
 
         $tpl = new ilTemplate("tpl.lm_navigation.html", true, true, "components/ILIAS/LearningModule/Presentation");

components/ILIAS/UIComponent/Toolbar/classes/class.ilToolbarGUI.php

@@ -466,6 +466,16 @@ public function setItems(array $items): void
         $this->items = $items;
     }
 
+    public function getStickyItems(): array
+    {
+        return $this->sticky_items;
+    }
+
+    public function setStickyItems(array $items): void
+    {
+        $this->sticky_items = $items;
+    }
+
     /**
      * If the toolbar consists of only one button, make it sticky
      * Note: Atm this is only possible for buttons. If we are dealing with objects implementing the ilToolbarItem