Use the user.id instead of nickname in report URLs

Ensures links to profiles of remote users work.

CHANGELOG.md

@@ -13,6 +13,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - ActivityPub: Correct addressing of Undo.
 - ActivityPub: Correct addressing of profile update activities.
 - Mastodon API: Ensure the `account` field is not empty when rendering Notification entities.
+- Report emails now include functional links to profiles of remote user accounts
 
 ### Removed
 - ActivityPub: The `/objects/:uuid/likes` endpoint.

lib/pleroma/emails/admin_email.ex

@@ -17,7 +17,7 @@ defp instance_notify_email do
   end
 
   defp user_url(user) do
-    Helpers.o_status_url(Pleroma.Web.Endpoint, :feed_redirect, user.nickname)
+    Helpers.o_status_url(Pleroma.Web.Endpoint, :feed_redirect, user.id)
   end
 
   def report(to, reporter, account, statuses, comment) do

test/emails/admin_email_test.exs

@@ -19,8 +19,8 @@ test "build report email" do
       AdminEmail.report(to_user, reporter, account, [%{name: "Test", id: "12"}], "Test comment")
 
     status_url = Helpers.o_status_url(Pleroma.Web.Endpoint, :notice, "12")
-    reporter_url = Helpers.o_status_url(Pleroma.Web.Endpoint, :feed_redirect, reporter.nickname)
-    account_url = Helpers.o_status_url(Pleroma.Web.Endpoint, :feed_redirect, account.nickname)
+    reporter_url = Helpers.o_status_url(Pleroma.Web.Endpoint, :feed_redirect, reporter.id)
+    account_url = Helpers.o_status_url(Pleroma.Web.Endpoint, :feed_redirect, account.id)
 
     assert res.to == [{to_user.name, to_user.email}]
     assert res.from == {config[:name], config[:notify_email]}