every provider is listed after a todo.txt provider list is added
Every provider is listed (even the non-configured providers from goa) after a todo.txt provider list is added.
How to reproduce:
- Open gnome-todo -> New list
- Select 'On the Todo.txt file'
- Give it some name -> click 'Create List'
- Again click 'New list' -> click provider list icon
Result: Every providers, including the ones that aren't configured are shown in the list.
Submitted by: Mohammed Sadiq <<sad..@..org>>
Assigned to: firstname.lastname@example.org
Original ticket: #781078