Fix #31: attachment upgrades loading after the world, causing extraction amounts to reset

Author: Technici4n

src/main/java/dev/technici4n/moderndynamics/attachment/upgrade/AttachmentUpgradesLoader.java

@@ -105,7 +105,7 @@ protected void apply(List<JsonObject> array, ResourceManager resourceManager, Pr
 
     public static void setup() {
         ResourceManagerHelper.get(PackType.SERVER_DATA).registerReloadListener(new AttachmentUpgradesLoader());
-        ServerLifecycleEvents.SERVER_STARTED.register(server -> {
+        ServerLifecycleEvents.SERVER_STARTING.register(server -> {
             LoadedUpgrades.trySet(LOADED_UPGRADES.remove(server.getResourceManager()));
         });
         ServerLifecycleEvents.END_DATA_PACK_RELOAD.register((server, resourceManager, success) -> {