Merge branch 'feature/1728-webfinger-acct-scheme' into 'develop'

Webfinger: Request account info with the acct scheme

Closes #1728

See merge request pleroma/pleroma!2465

lib/pleroma/web/web_finger/web_finger.ex

@@ -161,13 +161,15 @@ defmodule Pleroma.Web.WebFinger do
           URI.parse(account).host
       end
 
+    encoded_account = URI.encode("acct:#{account}")
+
     address =
       case find_lrdd_template(domain) do
         {:ok, template} ->
-          String.replace(template, "{uri}", URI.encode(account))
+          String.replace(template, "{uri}", encoded_account)
 
         _ ->
-          "https://#{domain}/.well-known/webfinger?resource=acct:#{account}"
+          "https://#{domain}/.well-known/webfinger?resource=#{encoded_account}"
       end
 
     with response <-