Replace CollectionCacheEntry constructor with factory method

Author: hazzik

src/NHibernate/Action/CollectionUpdateAction.cs

@@ -139,7 +139,7 @@ public override AfterTransactionCompletionProcessDelegate AfterTransactionComple
 							// or detached from the session
 							if (Collection.WasInitialized && Session.PersistenceContext.ContainsCollection(Collection))
 							{
-								CollectionCacheEntry entry = new CollectionCacheEntry(Collection, Persister);
+								CollectionCacheEntry entry = CollectionCacheEntry.Create(Collection, Persister);
 								bool put = Persister.Cache.AfterUpdate(ck, entry, null, Lock);
 
 								if (put && Session.Factory.Statistics.IsStatisticsEnabled)

src/NHibernate/Async/Cache/Entry/CollectionCacheEntry.cs

@@ -18,7 +18,6 @@ namespace NHibernate.Cache.Entry
 	using System.Threading.Tasks;
 	public partial class CollectionCacheEntry
 	{
-
 		public virtual async Task AssembleAsync(IPersistentCollection collection, ICollectionPersister persister, object owner)
 		{
 			await (collection.InitializeFromCacheAsync(persister, state, owner)).ConfigureAwait(false);

src/NHibernate/Cache/Entry/CollectionCacheEntry.cs

@@ -10,9 +10,9 @@ public partial class CollectionCacheEntry
 	{
 		private readonly object state;
 
-		public CollectionCacheEntry(IPersistentCollection collection, ICollectionPersister persister)
+		public static CollectionCacheEntry Create(IPersistentCollection collection, ICollectionPersister persister)
 		{
-			state = collection.Disassemble(persister);
+			return new CollectionCacheEntry(collection.Disassemble(persister));
 		}
 
 		internal CollectionCacheEntry(object state)

src/NHibernate/Engine/Loading/CollectionLoadContext.cs

@@ -318,7 +318,7 @@ private void AddCollectionToCache(LoadingCollectionEntry lce, ICollectionPersist
 				versionComparator = null;
 			}
 
-			CollectionCacheEntry entry = new CollectionCacheEntry(lce.Collection, persister);
+			CollectionCacheEntry entry = CollectionCacheEntry.Create(lce.Collection, persister);
 			CacheKey cacheKey = session.GenerateCacheKey(lce.Key, persister.KeyType, persister.Role);
 			bool put = persister.Cache.Put(cacheKey, persister.CacheEntryStructure.Structure(entry), 
 								session.Timestamp, version, versionComparator,