Fix account selection

The id attribute of the ´` tag should be removed since it overrides the application ID derived from the filename by libaccounts-glib (see https://gitlab.com/accounts-sso/libaccounts-glib/-/blob/270a66d5efe1453a2be4bad10894b947fdd2923e/libaccounts-glib/ag-application.c#L248-254) and causes a warning by clickable review preventing publishing on the OpenStore.

The id attribute of the tag is needed for filtering the offered accounts.