Merge branch 'fix/oauth-controller' into 'develop'

Fix OAuthController

Closes #1294

See merge request pleroma/pleroma!1780

lib/pleroma/web/oauth/oauth_controller.ex

@@ -460,7 +460,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   end
 
   # Special case: Local MastodonFE
-  defp redirect_uri(%Plug.Conn{} = conn, "."), do: mastodon_api_url(conn, :login)
+  defp redirect_uri(%Plug.Conn{} = conn, "."), do: auth_url(conn, :login)
 
   defp redirect_uri(%Plug.Conn{}, redirect_uri), do: redirect_uri