Fixes books being loaded twice

pom.xml

@@ -113,7 +113,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.21-R0.1-SNAPSHOT</version>
+            <version>1.21.8-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>

src/main/java/net/knarcraft/bookswithoutborders/command/CommandLoad.java

@@ -35,7 +35,7 @@ public class CommandLoad implements TabExecutor {
      * @param loadPublic <p>Whether to list public files as loadable</p>
      * @return <p>True if the book was loaded successfully</p>
      */
-    boolean loadBook(CommandSender sender, String[] args, String directory, boolean loadPublic) {
+    public boolean loadBook(CommandSender sender, String[] args, String directory, boolean loadPublic) {
         if (!(sender instanceof Player player)) {
             BooksWithoutBorders.sendErrorMessage(sender, "This command can only be used by a player!");
             return false;

src/main/java/net/knarcraft/bookswithoutborders/listener/BookshelfListener.java

@@ -3,6 +3,7 @@ package net.knarcraft.bookswithoutborders.listener;
 import net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig;
 import net.knarcraft.bookswithoutborders.utility.IntegerToRomanConverter;
 import net.md_5.bungee.api.ChatColor;
+import org.bukkit.NamespacedKey;
 import org.bukkit.block.ChiseledBookshelf;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
@@ -140,7 +141,12 @@ public class BookshelfListener implements Listener {
      * @return <p>The prettified enchantment name</p>
      */
     private String getEnchantmentName(Enchantment enchantment) {
-        return uppercaseFirst(enchantment.getKey().getKey().replace("_", " "));
+        NamespacedKey key = enchantment.getKeyOrNull();
+        if (key != null) {
+            return uppercaseFirst(key.getKey().replace("_", " "));
+        } else {
+            return "Unknown Enchantment";
+        }
     }
 
     /**

src/main/java/net/knarcraft/bookswithoutborders/utility/BookFileHelper.java

@@ -158,8 +158,9 @@ public final class BookFileHelper {
                 String userName = data[1].substring(0, data[1].length() - 4);
                 data[1] = BookHelper.authorFromUUID(userName) + extension;
                 fileList.add(String.join(separator, data));
+            } else {
+                fileList.add(fileName);
             }
-            fileList.add(fileName);
         }
 
         return fileList;