Restricted embedding of relationships where applicable (statuses / notifications / accounts rendering).

Added support for :skip_notifications for accounts listing (index.json).
Adjusted tests.

lib/pleroma/web/chat_channel.ex

@@ -22,7 +22,13 @@ defmodule Pleroma.Web.ChatChannel do
 
     if String.length(text) in 1..Pleroma.Config.get([:instance, :chat_limit]) do
       author = User.get_cached_by_nickname(user_name)
-      author = Pleroma.Web.MastodonAPI.AccountView.render("show.json", user: author)
+
+      author =
+        Pleroma.Web.MastodonAPI.AccountView.render("show.json",
+          user: author,
+          skip_relationships: true
+        )
+
       message = ChatChannelState.add_message(%{text: text, author: author})
 
       broadcast!(socket, "new_msg", message)