fix: Handle missing BLOCK_ENTITY loot param in Broken Spawner loot modifier

Fixes: GH-1047

Author: Rover656

src/main/java/com/enderio/base/common/loot/BrokenSpawnerLootModifier.java

@@ -36,7 +36,11 @@ public BrokenSpawnerLootModifier(LootItemCondition[] conditionsIn) {
 
     @Override
     protected ObjectArrayList<ItemStack> doApply(ObjectArrayList<ItemStack> generatedLoot, LootContext context) {
-        BlockEntity entity = context.getParam(LootContextParams.BLOCK_ENTITY);
+        BlockEntity entity = context.getParamOrNull(LootContextParams.BLOCK_ENTITY);
+        if (entity == null) {
+            return generatedLoot;
+        }
+
         if (entity instanceof SpawnerBlockEntity spawnerBlockEntity) {
             if (!context.getParam(LootContextParams.TOOL).is(EIOTags.Items.BROKEN_SPAWNER_BLACKLIST)) {
                 if (context.getRandom().nextFloat() < BaseConfig.COMMON.BLOCKS.BROKEN_SPAWNER_DROP_CHANCE.get()) {