Improve torrent data save location entry in torrent add dialog

Use fs.path instead of fs.selected for getting the path, allows user to
enter the path in the entry widget

epour/gui/TorrentSelector.py

@@ -129,7 +129,7 @@ class TorrentSelector(StandardWindow):
             e.show()
 
         def fs_cb(fs, key):
-            self.add_dict[key] = fs.selected
+            self.add_dict[key] = fs.path
 
         save_path = FsEntry(
             opt_box, size_hint_align=FILL_HORIZ, text="Save path",