It seems when creating a duplicate of a folder, its name is treated like a file name with an extension. If you copy a folder with a `.` in its name and paste it in the same location, the `(copy ...)` suffix is inserted in the middle of its name. --- **Steps to reproduce:** 1. Create a folder called `a.b`. 2. Select the folder, press ctrl+c, then ctrl+v. **Expected result:** A new folder called `a.b (copy 1)` is created. **Actual result:** A new folder called `a (copy 1).b` is created.