HHH-14312 - entity graph is ignored for 'padded' and 'dynamic' batch …

…style entity loader

- Adjusted multi-loading to use LoadPlans (and apply entity-graphs) as well.
- All of the loaders/builder in `org.hibernate.loader.entity` are now no longer used, superseded by `org.hibernate.loader.entity.plan`.  Removed no longer needed code.
- Adjusted multi-load tests that relied on the actual generated SQL *String* - they now explicitly count the number of parameters and use that for assertions

hibernate-core/src/main/java/org/hibernate/loader/entity/AbstractEntityLoader.java

@@ -13,11 +13,9 @@
 import org.hibernate.HibernateException;
 import org.hibernate.LockOptions;
 import org.hibernate.engine.spi.LoadQueryInfluencers;
-import org.hibernate.engine.spi.QueryParameters;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.engine.spi.SharedSessionContractImplementor;
 import org.hibernate.loader.OuterJoinLoader;
-import org.hibernate.param.ParameterBinder;
 import org.hibernate.persister.entity.OuterJoinLoadable;
 import org.hibernate.transform.ResultTransformer;
 import org.hibernate.type.Type;

hibernate-core/src/main/java/org/hibernate/loader/entity/CacheEntityLoaderHelper.java

@@ -27,16 +27,12 @@
 import org.hibernate.engine.spi.SessionImplementor;
 import org.hibernate.engine.spi.Status;
 import org.hibernate.event.internal.AbstractLockUpgradeEventListener;
-import org.hibernate.event.service.spi.EventListenerRegistry;
 import org.hibernate.event.spi.EventSource;
-import org.hibernate.event.spi.EventType;
 import org.hibernate.event.spi.LoadEvent;
 import org.hibernate.event.spi.LoadEventListener;
 import org.hibernate.event.spi.PostLoadEvent;
-import org.hibernate.event.spi.PostLoadEventListener;
 import org.hibernate.internal.CoreLogging;
 import org.hibernate.internal.CoreMessageLogger;
-import org.hibernate.internal.FastSessionServices;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.pretty.MessageHelper;
 import org.hibernate.proxy.HibernateProxy;