Amethyst v0.20.2: Convesations++

On conversations and notification replies, the app will add the direct reply as a short quote in the beginning of the post:

Other improvements:

- Filters Notifications to the events that cite the user directly (experimental).

- Marks as read regardless of note.event status.

- ThreadView avoids double loading.

- Clearly marks the clicked item on ThreadView

- Allows users to delete usernames

- Adds nip05 to Chatroom headers.

- Adds time of the boost and menu options for the boosted event.