Tasks counts for sections in kanban wrong

[hansjansen2]

Describe the bug
Moving tasks in the kanban view does not always show accurate task counts for sections.

To Reproduce
Steps to reproduce the behavior:

1. Go to a project in the kanban view
2. Move around your tasks with the mouse a bit.
3. After some tries you should see inaccurate task counts for the sections.

Expected behavior
The task counts should always show the amount of tasks accurately.

Screenshots
Not relevant, the issue is quite straightforward.

Desktop (please complete the following information):

• OS or DE: Fedora Silverblue (GNOME)
• Version: 4.17.0