Default directory for creating projects should not be most recently used directory

1. Start Creator with clean settings.
2. Open an existing project.
3. Close the project.
4. Select "File" -> "New File or Project..." from the menu.
5. Select a project template and click "Choose...".
   For creating the project, Creator will suggest the source directory of the project from step 2.

I think this is wrong because it might mess with completely unrelated projects. I'd prefer using the parent of that directory or even the user's home directory.