Web: Create Boost flow from Boost console
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## Goal
Enable users to create Boosts (channel + activity Boosts) from the Boost console so that more Boosts can be made.
## What needs to be done
Enable a user to create a Boost from the Boost console.
- Channel Boost (can use existing "Boost channel" modal)
- Activity Boost (can use new "Boost latest post" flow)
## QA
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Consideration is given to how the issue will be demoed and tested prior to being deployed
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Sufficient wireframes have been presented and understood by the development team. Full mockups are not required and re-usable components are encouraged.
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[Figma](https://www.figma.com/file/W2xIag64EdbWUlGAQOpVHE/Boost-Update?node-id=1289%3A23979&t=4NEzNgVJFOP9qobH-1)


## Mobile
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Does a mobile card need to be created? Any notes for mobile?
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- [ ] Is Mobile Required?
## Personas
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Who does this user impact and why (optional)
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## Experiments
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Experiments are not required, but it should be made clear if one is expected. If experiments are required, the hypothesis should be outlined.
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## Acceptance Criteria
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Everyone should be able to understand what is expected to be delivered
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- [ ] Display the InFeed notice for the Boost Latest Post
## Definition of Ready Checklist
- [ ] Definition Of Done (DoD)
- [ ] Acceptance criteria
- [ ] Weighted
- [ ] QA
- [ ] UX/Design
- [ ] Personas
- [ ] Experiments
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