longform highlights are broken

[alltheseas]

what happens

longform highlights created in other apps are rendered in damus. However

1. longform highlight author is missing
2. longform highlight source missing
3. tapping on the longform higlight does not lead to source

example longform highlight event created in third party client:

https://damus.io/nevent1qqs09u9hcl39kfnwly0f9tygfj2sfe4ev0zz0yza7ltw4apry03vs4cmn65l2

[linear]

IOS-2118