fix: Resolve issue with book & quills on lectern contraptions (#7276)

Resolves #7253. Where an attempt to parse JSON out of a writable book (not a written book), which has raw string data for the pages array caused a game crash.

src/main/java/com/simibubi/create/foundation/utility/NBTProcessors.java

@@ -15,13 +15,16 @@
 import net.minecraft.nbt.StringTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.BlockTags;
 import net.minecraft.world.item.EnchantedBookItem;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.Items;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.entity.SpawnerBlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.registries.ForgeRegistries;
 
 public final class NBTProcessors {
 
@@ -43,6 +46,11 @@ public static synchronized void addSurvivalProcessor(BlockEntityType<?> type,
 				return data;
 			CompoundTag book = data.getCompound("Book");
 
+			// Writable books can't have click events, so they're safe to keep
+			ResourceLocation writableBookResource = ForgeRegistries.ITEMS.getKey(Items.WRITABLE_BOOK);
+			if (writableBookResource != null && book.getString("id").equals(writableBookResource.toString()))
+				return data;
+
 			if (!book.contains("tag", Tag.TAG_COMPOUND))
 				return data;
 			CompoundTag tag = book.getCompound("tag");
@@ -67,7 +75,7 @@ public static synchronized void addSurvivalProcessor(BlockEntityType<?> type,
 			if (!book.contains("tag", Tag.TAG_COMPOUND))
 				return data;
 			CompoundTag itemData = book.getCompound("tag");
-			
+
 			for (List<String> entries : NBTHelper.readCompoundList(itemData.getList("Pages", Tag.TAG_COMPOUND),
 				pageTag -> NBTHelper.readCompoundList(pageTag.getList("Entries", Tag.TAG_COMPOUND),
 					tag -> tag.getString("Text")))) {