Create a shared files area in the app and store shared files in it

In browser or Android: Check that clicking the user area in side menu does nothing. In iOS: Testing share Share a file with the app with no sites stored. Check that an error is shown. Add 1 site and share the file again. Check that a success message is shown. Add another site and share the file again. Check that a screen to choose site is shown. Choose the new site and check that a success message is shown and you go back to where you were. Now share the file again and choose a site that already has the file stored. Check that a modal is shown asking you if you want to replace or rename the file. Check that both options work as expected. Testing manage Login into a site that has shared files and click the user area in the side menu. Check that you go to a view with the shared files. Check that you can rename a file to use a new name (not repeated). Check that, if you try to use a repeated name, an error is shown. Check that you can delete shared files. With the manage files view open, share a new file with the current site. Check that the list is refreshed.