fix sidebar root node links

link sidebar root nodes to their corresponding "new" route

src/Services/Trees/TreeViewGenerator.php

@@ -174,10 +174,7 @@ class TreeViewGenerator
         }
 
         if (($mode === 'list_parts_root' || $mode === 'devices') && $this->rootNodeEnabled) {
-            //We show the root node as a link to the list of all parts
+            $root_node = new TreeViewNode($this->entityClassToRootNodeString($class), $this->entityClassToRootNodeHref($class), $generic);
-            $show_all_parts_url = $this->router->generate('parts_show_all');
-
-            $root_node = new TreeViewNode($this->entityClassToRootNodeString($class), $show_all_parts_url, $generic);
             $root_node->setExpanded($this->rootNodeExpandedByDefault);
             $root_node->setIcon($this->entityClassToRootNodeIcon($class));
 
@@ -187,6 +184,19 @@ class TreeViewGenerator
         return array_merge($head, $generic);
     }
 
+    protected function entityClassToRootNodeHref(string $class): ?string
+    {
+        return match ($class) {
+            Category::class => $this->router->generate('category_new'),
+            StorageLocation::class => $this->router->generate('store_location_new'),
+            Footprint::class => $this->router->generate('footprint_new'),
+            Manufacturer::class => $this->router->generate('manufacturer_new'),
+            Supplier::class => $this->router->generate('supplier_new'),
+            Project::class => $this->router->generate('project_new'),
+            default => null,
+        };
+    }
+
     protected function entityClassToRootNodeString(string $class): string
     {
         return match ($class) {