Charts: show multiple projects status and description

Tasks:

- [x] Read carefully the enhancement proposal sent privately in Nov. 2023
- [x] Assess the different solutions to meet the requirements: add 'comment' and 'status' to the project item? or to the task item? (Is the 'status' property redundant with the 'color' property?)
- [x] Discuss the solution with the internal client
- [x] Implement it!