Merge pull request 'Don't strip newlines in pre' (#709) from snan/akkoma:pre into develop

Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/709

lib/pleroma/web/feed/feed_view.ex

@@ -78,9 +78,7 @@ def activity_title(%{"content" => content}, opts \\ %{}) do
   end
 
   def activity_content(%{"content" => content}) do
-    content
-    |> String.replace(~r/[\n\r]/, "")
-    |> escape()
+    escape(content)
   end
 
   def activity_content(_), do: ""