Move expired check to before reference check as we don't care about references until it is actually expired

Author: calledude

AsyncMemoryCache/EvictionBehaviors/DefaultEvictionBehavior.cs

@@ -85,6 +85,9 @@ private static async Task CheckExpiredItems<TKey, TValue>(IAsyncMemoryCacheConfi
 		var cache = configuration.CacheBackingStore;
 		foreach (var item in cache.Values)
 		{
+			if (item.ExpirationStrategy?.IsExpired() is not true)
+				continue;
+
 			if (Interlocked.Decrement(ref item.References) >= 0)
 			{
 				// Need to increment again to restore the refcounter
@@ -94,9 +97,6 @@ private static async Task CheckExpiredItems<TKey, TValue>(IAsyncMemoryCacheConfi
 				continue;
 			}
 
-			if (!(item.ExpirationStrategy?.IsExpired() ?? false))
-				continue;
-
 			expiredItems.Add(item);
 		}