Add plugin outlets for each assistant result type - User, Tag and Categories, Groups, etc. This gives us the ability to add content for each _type_ of search suggestion:
<img width="216" alt="Screenshot 2024-10-16 at 10 01 09 AM" src="https://github.com/user-attachments/assets/fbbc71fe-a8fe-499b-8377-480dd0ed5f75">
I would have preferred to add a single plugin outlet at the top of the template and pass `this.suggestionType` and `@results`, but that would then require that we carry over a ton of core logic to plugins to calculate which _type_ is being rendered, and it would get unnecessarily messy quick. So instead I opted to create a plugin outlet for each _type_.
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