Here below an example with a Sales Team named Flowers

1. Using Odoo Studio, create the needed fields on the Sales team.

2. In the General Settings, check which report is used by default.

3. Find the related view.

4. Create an inherited view.

5. Replace the "company" field by your "o.team_id" fields. For example :

6. Don't forget to manage the case in which your custom field does not exist in the model related to the report :

7. Include this customization in Studio