move migrate remind msg

src/main/java/pers/xanadu/enderdragon/EnderDragon.java

@@ -106,6 +106,7 @@ public final class EnderDragon extends JavaPlugin {
         finish = true;
     }
     public static void reloadAll(){
+        ItemManager.getLegacy().set(false);
         WorldManager.reload();
         GlowManager.reload();
         EnderDragon.getInstance().loadFiles();
@@ -128,6 +129,12 @@ public final class EnderDragon extends JavaPlugin {
                 this.cancel();
                 DragonManager.reload();
                 GuiManager.loadGui();
+                if (ItemManager.getLegacy().get()){
+                    Lang.error("I'm sorry that data_type 'nbt' and 'advanced' probably will be disabled in 1.20.5+");
+                    Lang.error("It is recommended to migrate item configuration to bukkit format for compatibility.");
+                    Lang.error("You can use /ed migrate to generate new config.");
+                }
+
                 runnable.runTaskTimer(plugin,0,1);
             }
         }.runTaskTimer(plugin, 1, 5);

src/main/java/pers/xanadu/enderdragon/manager/RewardManager.java

@@ -43,11 +43,6 @@ public class RewardManager {
                 }
             }
         }
-        if (ItemManager.isLegacy()){
-            Lang.error("I'm sorry that data_type 'nbt' and 'advanced' probably will be disabled in 1.20.5+");
-            Lang.error("It is recommended to migrate item configuration to bukkit format for compatibility.");
-            Lang.error("You can use /ed migrate to generate new config.");
-        }
     }
     public static void addItem(String key,Reward reward){
         addItem(key,reward.getItem(),reward.getChance());