Pleroma.Web.PleromaAPI.ChatController: fix dialyzer errors with replace_params: false

lib/pleroma/web/controller_helper.ex

@@ -53,10 +53,15 @@ defmodule Pleroma.Web.ControllerHelper do
     end
   end
 
+  # TODO: Only fetch the params from open_api_spex when everything is converted
   @id_keys Pagination.page_keys() -- ["limit", "order"]
   defp build_pagination_fields(conn, min_id, max_id, extra_params) do
     params =
-      conn.params
+      if Map.has_key?(conn.private, :open_api_spex) do
+        get_in(conn, [Access.key(:private), Access.key(:open_api_spex), Access.key(:params)])
+      else
+        conn.params
+      end
       |> Map.drop(Map.keys(conn.path_params) |> Enum.map(&String.to_existing_atom/1))
       |> Map.merge(extra_params)
       |> Map.drop(@id_keys)