Unable to start The Samaritan Agenda in The Fractured But Whole on Switch

I have played The Fractured But Whole until the The Chaos Gambit quest, which I assume I have finished. I'm at the Freedom Pals, Timmy said he had a mission for me but he disappeared behind a curtain that I'm not allowed to go to.
- Mysterion says I should prove I want to be there
- Bought all clothes and took pictures of myself there
- Tupperware says he's distracted because his dad got arrested
- Went to the police station but couldn't get in because of "politics"
- Toolshed simply says that he appreciates me helping him with his dad
There doesn't seem to be anything else to do there. There are some items to be found and there is a simulator, but I don't feel like those would advance me any further.
I looked up a guide and found that I didn't start the mission The Invitation yet. However, when I go to Steed in SoDoSoPa, there is nobody there.
I don't really know what to do from here. Is there something I forgot to do?
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[South Park: The Fractured But Whole] The Samaritan Agenda Mission Guide (Highest Difficulty)
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