Expand navigation tree, when GUI is created

client/src/main/java/ctbrec/ui/settings/SettingsTab2.java

@@ -216,6 +216,7 @@ public class SettingsTab2 extends Tab implements TabSelectionListener {
                         )
                 );
         setContent(prefs.getView());
+        prefs.expandTree();
     }
 
     private List<String> getTabNames() {

client/src/main/java/ctbrec/ui/settings/api/Preferences.java

@@ -182,4 +182,8 @@ public class Preferences {
         }
         return parent;
     }
+
+    public void expandTree() {
+        expandAll(categoryTree.getRoot());
+    }
 }