Lists are not updated immediately after adding a new one

[cyan-gorilla]

Describe the bug
After adding a new list to a board, it is not shown immediately.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Kanban'
2. Click on any board
3. Click on the plus button to add a new list

Expected behavior
The list appears in the board right after pressing the '+' button.

Actual behavior
The list doesn't appear right away. You have to go back to the boards and enter the one you were modifying to see it.

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Version: 0.2.8.0

Additional context
This resulted in adding many unnecessary lists, which added to #125 means a miserable time deleting them

[zxch3n]

Thanks for reporting this!