[CMFileManager] Fix fail to move a folder

Fix fail to move a folder to another folder when the one folder name contains the another folder name.

[Reproduce]
1. Create a folder named such as aaa
2. Create another folder named such as aaab
3. Copy or Move the folder aaa to folder aaab

The Operation Fail

Change-Id: I27996f9b9530001fe01eddf80a0cac7a8531c163