Fix compilation issues

Author: hpehl

op/console/package-lock.json

@@ -13,7 +13,7 @@
     "start:server": "node server.js 8234 1234",
     "open:browser": "wait-on http://localhost:8234 && open http://localhost:8234",
     "dev": "concurrently \"npm run start:parcel\" \"npm run start:server\" \"npm run open:browser\"",
-    "prod": "parcel build src/web/index.html --dist-dir target/console",
+    "prod": "parcel build src/web/index.html --dist-dir target/console"
   },
   "dependencies": {
     "@patternfly/patternfly": "^6.4.0"

op/console/package.json

@@ -22,13 +22,15 @@
 import org.patternfly.filter.Filter;
 import org.patternfly.filter.FilterAttribute;
 
+import static java.util.stream.Collectors.toList;
+
 class MultiSelects {
 
     static <T> void setBooleanFilter(Filter<T> filter, String filterAttribute, List<MenuItem> menuItems, String origin) {
         String prefix = filterAttribute + "-";
         List<MenuItem> selected = menuItems.stream()
                 .filter(menuItem -> menuItem.identifier().startsWith(prefix))
-                .toList();
+                .collect(toList());
         if (selected.isEmpty()) {
             filter.reset(filterAttribute, origin);
         } else {

ui/src/main/java/org/jboss/hal/ui/filter/MultiSelects.java

@@ -127,7 +127,7 @@ void load(List<ModelBrowserNode> nodes) {
 
     void reload() {
         if (!treeView.selectedItems().isEmpty()) {
-            treeView.selectedItems().getFirst().reload();
+            treeView.selectedItems().get(0).reload();
         } else {
             // no selection → load root
             modelBrowser.load();
@@ -196,7 +196,7 @@ void unselect() {
 
     String selectedAddress() {
         if (!treeView.selectedItems().isEmpty()) {
-            TreeViewItem tvi = treeView.selectedItems().getFirst();
+            TreeViewItem tvi = treeView.selectedItems().get(0);
             ModelBrowserNode mbn = tvi.get(Keys.MODEL_BROWSER_NODE);
             if (mbn != null) {
                 return mbn.template.toString();