Fix RS OAuth URL in Webfinger record

app/controllers/webfinger_controller.rb

@@ -37,7 +37,7 @@ class WebfingerController < ApplicationController
   end
 
   def remotestorage_link
-    auth_url = new_rs_oauth_url("#{@username}@#{Setting.primary_domain}")
+    auth_url = new_rs_oauth_url(@username)
     storage_url = "#{Setting.rs_storage_url}/#{@username}"
 
     {

spec/requests/webfinger_spec.rb

@@ -18,7 +18,7 @@ RSpec.describe "WebFinger", type: :request do
           expect(rs_link["href"]).to eql("https://storage.kosmos.org/tony")
 
           oauth_url = rs_link["properties"]["http://tools.ietf.org/html/rfc6749#section-4.2"]
-          expect(oauth_url).to eql("http://www.example.com/rs/oauth/tony@kosmos.org")
+          expect(oauth_url).to eql("http://www.example.com/rs/oauth/tony")
         end
       end