Fix boat entity type check

As per usual plugins sending data for untracked entities
Fixes #4222

common/src/main/java/com/viaversion/viaversion/protocols/v1_21to1_21_2/rewriter/EntityPacketRewriter1_21_2.java

@@ -502,7 +502,7 @@ public final class EntityPacketRewriter1_21_2 extends EntityRewriter<Clientbound
 
         final EntityTracker1_21_2 tracker = tracker(connection);
         final EntityType entityType = tracker.entityType(entityId);
-        if (entityType != null && !entityType.isOrHasParent(EntityTypes1_21_2.ABSTRACT_BOAT)) {
+        if (entityType == null || !entityType.isOrHasParent(EntityTypes1_21_2.ABSTRACT_BOAT)) {
             return;
         }