Bug fix for entity effect

src/main/java/io/github/retrooper/packetevents/utils/nms/NMSUtils.java

@@ -117,10 +117,6 @@ public final class NMSUtils {
 
         entityBoundingBoxField = Reflection.getField(nmsEntityClass, boundingBoxClass, 0, true);
 
-        if (builtInRegistriesClass != null) {
-            mobEffectsRegistryField = Reflection.getField(builtInRegistriesClass, "e");
-        }
-
         if (nmsEntityClass != null) {
             getBukkitEntity = Reflection.getMethod(nmsEntityClass, craftEntityClass, 0);
         }
@@ -244,6 +240,10 @@ public final class NMSUtils {
 
         builtInRegistriesClass = Reflection.getClassByNameWithoutException("net.minecraft.core.registries.BuiltInRegistries");
 
+        if (builtInRegistriesClass != null) {
+            mobEffectsRegistryField = Reflection.getField(builtInRegistriesClass, "e");
+        }
+
         vec3DClass = NMSUtils.getNMSClassWithoutException("Vec3D");
         if (vec3DClass == null) {
             vec3DClass = getNMClassWithoutException("world.phys.Vec3D");