[Clipclops] Refactor message list (#3832)

* rework the list for accessibility

* Reverse reverse

* progress

* good to start testing

* memo `MessageItem`

* small hack

* use our custom `List` impl

* use `ScrollProvider` for `onScroll` event

* remove use of `runOnJS`

* actually, let's keep it

* add some comments

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Co-authored-by: Eric Bailey <git@esb.lol>

src/screens/Messages/Conversation/MessageInput.web.tsx

@@ -12,7 +12,6 @@ export function MessageInput({
 }: {
   onSendMessage: (message: string) => void
   onFocus: () => void
-  onBlur: () => void
 }) {
   const {_} = useLingui()
   const t = useTheme()