[editor only] Linkage container is only for composites

src/main/java/games/rednblack/editor/view/ui/properties/panels/UIBasicItemProperties.java

@@ -175,6 +175,10 @@ public class UIBasicItemProperties extends UIItemProperties {
         libraryLinkLabel.setText(text);
     }
 
+    public void disableLinkage() {
+        linkageContainer.setVisible(false);
+    }
+
     private Table getTintTable() {
         VisTable tintTable = new VisTable();
         tintTable.add(StandardWidgetsFactory.createLabel("Tint:")).growX().padRight(3);

src/main/java/games/rednblack/editor/view/ui/properties/panels/UIBasicItemPropertiesMediator.java

@@ -177,6 +177,8 @@ public class UIBasicItemPropertiesMediator extends UIItemPropertiesMediator<UIBa
             } else {
                 viewComponent.setLinkage(false, "not in library");
             }
+        } else {
+            viewComponent.disableLinkage();
         }
 
         if (entityType == EntityFactory.LIGHT_TYPE) {