Fixed dispensers not being able to equip friendship bracelets and amulets when trinkets is installed

src/main/java/com/minelittlepony/unicopia/item/WearableItem.java

@@ -57,7 +57,7 @@ public abstract class WearableItem extends Item implements Wearable {
         return pointer.getWorld().getEntitiesByClass(
                     LivingEntity.class,
                     new Box(pointer.getPos().offset(pointer.getBlockState().get(DispenserBlock.FACING))),
-                    EntityPredicates.EXCEPT_SPECTATOR.and(new EntityPredicates.Equipable(armor))
+                    EntityPredicates.EXCEPT_SPECTATOR
                 )
                 .stream()
                 .flatMap(entity -> TrinketsDelegate.getInstance()

src/main/java/com/minelittlepony/unicopia/trinkets/TrinketsDelegate.java

@@ -1,6 +1,7 @@
 package com.minelittlepony.unicopia.trinkets;
 
 import java.util.*;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import net.fabricmc.loader.api.FabricLoader;
@@ -48,11 +49,7 @@ public interface TrinketsDelegate {
     }
 
     default Set<Identifier> getAvailableTrinketSlots(LivingEntity entity, Set<Identifier> probedSlots) {
-        return Set.of();
+        return probedSlots.stream().filter(slot -> getEquipped(entity, slot).count() == 0).collect(Collectors.toSet());
-    }
-
-    default Stream<ItemStack> getEquipped(LivingEntity entity) {
-        return Stream.empty();
     }
 
     default Stream<ItemStack> getEquipped(LivingEntity entity, Identifier slot) {

src/main/java/com/minelittlepony/unicopia/trinkets/TrinketsDelegateImpl.java

@@ -50,11 +50,6 @@ public class TrinketsDelegateImpl implements TrinketsDelegate {
         return probedSlots;
     }
 
-    @Override
-    public Stream<ItemStack> getEquipped(LivingEntity entity) {
-        return getInventories(entity).flatMap(InventoryUtil::stream).filter(s -> !s.isEmpty());
-    }
-
     @Override
     public Stream<ItemStack> getEquipped(LivingEntity entity, Identifier slot) {
         return getInventory(entity, slot).stream().flatMap(InventoryUtil::stream).filter(s -> !s.isEmpty());