Badge didn't unlock even though it should have

Product: Apex Legends
Platform:Microsoft XBOX One
Please specify your platform model. Microsoft Xbox One X
What is your gamertag/PSN ID/EA Account name? Rex94SWE
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible. First: ProZ x Seen Second: luc812
Which Legend were you playing (if applicable)? Pathfinder
Which Legends were your squad mates using (if applicable)? First: Mirage Second: Bangladore
Where did the issue occur? In the lobby (waiting area before the match)
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. Banners page
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. Looking at banner after match
Did your squad mates also experience the issue? I don't know
How many matches had you played in a row before the issue occurred? 4
When did this happen? (dd.mm.yy hh:mm) 20.02.19 13:26 GMT+1
How often does the bug occur? Every time (100%)
How severe is your issue? Little to no impact to gameplay
What happens when the bug occurs? You do not get the "Team. Work." badge.
What should be happening instead? Receive the Team. Work. Badge
Steps: How can we find the bug ourselves? Win a game with a full pre-made squad where everyone gets 5 kills. Then look in the banner page under badges.

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Playing as a full pre-made squad we won the game each having 5 kills (I have video proof). I expected to have the Team. Work. account badge tier 2 unlocked, but the badge has not unlocked for me.