Share Video from modules (as external link artifact)

Description: As a user, I can share a video from a video module and video playlist module.

– Video should be shared using existing share flow
– Share to Timeline
– Share to Space
– Share to Direct Message
– Video should be shared as an external link artifact (not a video)
– Video thumbnail should be the preview image in the share modal

– **[Zeplin Link](https://zpl.io/bozPrGa)**
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