[Story] Info about last time a company was controlled

[eirirlar]

👤 As a user
🙏 I want information about when a company or group was last controlled
🎯 so that I can know from which date projections are known to be correct.

Acceptance Criteria 👍 / 👎

Info about who controlled which company and when the did it should be available in the dashboard.

Edits about who controlled which company and when should be available in the company pages.

For a group of companies this should not be editable, but derived from the least recently controlled company in the group.