The following is true for any type of attached files. I will use Excel for my examples...
Case 1: Paste ANY.XLS from outside EN two times to a note and rename one of them to NEW.XLS:
Bug: Both copies of the file will get the new name NEW.XLS
Bug: Name change of the other file will not be seen immediately (ANY.XLS seems to be active...)
Case 2: Paste ANY.XLS from outside EN to a note and rename it to NEW.XLS. Then paste ANY.XLS a second time to