[FIX] project_todo: filter out done activities

[myhy-odoo]

Problem: When the user checks their activities, the overdue count is including done activities for Tasks and To-do. The bug occurs when "keep done" is enabled for activity types.

Purpose: The overdue counts should not be factoring in done activities.

Steps to Reproduce on Runbot17.1:

1. Install project and project_todo
2. Enable "Keep Done" on activity type "To-Do"
3. Create an overdue to-do activity on a project task
4. Mark the activity as done
5. Notice that the overdue count did not go down.

opw-3877089

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[robodoo]

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