G'day to you from Munich
the two screenshots you supplied are two different dialogues with two different purposes.
1) Screen Shot 1 helps you find the file you wish to open
2) Screen Shot 2 helps you find the file you wish to upload to the Server (FMS13)
As I see it the second dialogue is not intended to show you the Files already uploaded as this might even represent a security risk.
Regards from winter to summer (I envy you)