fix bug with public registration

lib/memex/accounts.ex

@@ -384,7 +384,7 @@ defmodule Memex.Accounts do
   """
   @spec allow_registration?() :: boolean()
   def allow_registration? do
-    Application.get_env(:Memex, MemexWeb.Endpoint)[:registration] == "public" or
+    Application.get_env(:memex, Memex.Accounts)[:registration] == "public" or
       list_users_by_role(:admin) |> Enum.empty?()
   end
 

lib/memex_web/live/home_live.html.heex

@@ -109,8 +109,7 @@
     <li class="flex flex-row justify-center space-x-2">
       <b><%= gettext("registration:") %></b>
       <p>
-        <%= Application.get_env(:memex, Endpoint)[:registration]
-        |> case do
+        <%= case Application.get_env(:memex, Memex.Accounts)[:registration] do
           "public" -> gettext("public signups")
           _ -> gettext("invite only")
         end %>