fix: static empty list instead of creating a new one

Author: Fix3dll

src/main/java/com/fix3dll/skyblockaddons/compat/ReiCompat.java

@@ -7,9 +7,12 @@
 import net.minecraft.client.gui.screens.inventory.ContainerScreen;
 
 import java.util.Collections;
+import java.util.List;
 
 public class ReiCompat implements REIClientPlugin {
 
+    private static final List<Rectangle> EMPTY = List.of();
+
     @Override
     public void registerExclusionZones(ExclusionZones zones) {
         zones.register(
@@ -18,7 +21,7 @@ public void registerExclusionZones(ExclusionZones zones) {
                     if (ScreenHook.islandWarpGui != null) {
                         return Collections.singleton(new Rectangle(0, 0, screen.width, screen.height));
                     }
-                    return Collections.emptyList();
+                    return EMPTY;
                 }
         );
     }