Fix scope detection for single slot containers

Author: NotRyken

common/src/main/java/dev/terminalmc/clientsort/ClientSort.java

@@ -69,7 +69,7 @@ public static void onConfigSaved(ServerConfig config) {
     ) {
         return switch (container) {
             case null -> null;
-            case ContainerSingleItem ignored -> null;
+            case ContainerSingleItem ignored -> menu;
             case SimpleContainer ignored -> menu;
             default -> container;
         };

common/src/main/java/dev/terminalmc/clientsort/client/inventory/screen/ContainerScreenHelper.java

@@ -28,6 +28,7 @@
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.inventory.ClickType;
 import net.minecraft.world.inventory.Slot;
+import net.minecraft.world.ticks.ContainerSingleItem;
 
 import static dev.terminalmc.clientsort.client.config.Config.options;
 
@@ -122,6 +123,12 @@ public boolean isExtraSlot(Slot slot) {
      * @return the scope of the slot, or {@link Scope#INVALID} if the slot is not accessible.
      */
     public Scope getScope(Slot slot) {
+        //noinspection ConstantValue
+        if (slot.container == null)
+            return Scope.INVALID;
+        if (slot.container instanceof ContainerSingleItem)
+            return Scope.INVALID;
+
         // Screen with only player inventory
         if (screen instanceof EffectRenderingInventoryScreen) {
             // Player inventory