SPIGOT-6482: Baby piglins will pick up more items than vanilla

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/world/entity/monster/piglin/PiglinAI.patch

@@ -79,7 +79,7 @@
          Item item = itemstack.getItem();
  
 -        if (a(item)) {
-+        if (a(entitypiglin, itemstack)) { // CraftBukkit - Changes to allow for custom payment in bartering
++        if (isLovedByPiglin(item, entitypiglin)) { // CraftBukkit - Changes to allow for custom payment in bartering
              entitypiglin.getBehaviorController().removeMemory(MemoryModuleType.TIME_TRYING_TO_REACH_ADMIRE_ITEM);
              c(entitypiglin, itemstack);
              d((EntityLiving) entitypiglin);