Initialize pre-filled HashMaps with large enough capacity

Empty Maps are preferably initialized without capacity (not initializing them at all or lazily initializing with default capacity when needed).

Issue: SPR-17105

(cherry picked from commit 4a147d26fc)

spring-core/src/main/java/org/springframework/core/AttributeAccessorSupport.java

@@ -38,7 +38,7 @@ import org.springframework.util.StringUtils;
 public abstract class AttributeAccessorSupport implements AttributeAccessor, Serializable {
 
 	/** Map with String keys and Object values */
-	private final Map<String, Object> attributes = new LinkedHashMap<>(0);
+	private final Map<String, Object> attributes = new LinkedHashMap<>();
 
 
 	@Override