Add setCopyingEntities

core/src/main/java/com/sk89q/worldedit/function/operation/ForwardExtentCopy.java

@@ -149,6 +149,10 @@ public class ForwardExtentCopy implements Operation {
         return sourceMask;
     }
 
+    public void setCopyingEntities(boolean copyEntities) {
+        setCopyEntities(copyEntities);
+    }
+
     public void setCopyEntities(boolean copyEntities) {
         this.copyEntities = copyEntities;
     }