Fix bug regarding user group moderation action logs

decidim-core/app/presenters/decidim/admin_log/user_moderation_presenter.rb

@@ -52,7 +52,7 @@ def unreported_user_presenter
       end
 
       def unreported_user
-        @unreported_user ||= Decidim::User.find_by(id: action_log.extra.dig("extra", "user_id"))
+        @unreported_user ||= Decidim::UserBaseEntity.find_by(id: action_log.extra.dig("extra", "user_id"))
       end
 
       def has_diff?

decidim-core/spec/presenters/decidim/admin_log/user_moderation_presenter_spec.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+describe Decidim::AdminLog::UserModerationPresenter, type: :helper do
+  context "with user" do
+    include_examples "present admin log entry" do
+      let(:reportable) { create(:user, :blocked, organization:) }
+      let(:moderation) { create(:user_moderation, user: reportable) }
+      let(:admin_log_resource) { reportable }
+      let(:admin_log_extra_data) { { extra: { user_id: reportable.id } } }
+      let(:action) { "report" }
+    end
+  end
+
+  context "with user group" do
+    include_examples "present admin log entry" do
+      let(:reportable) { create(:user_group, :blocked, organization:) }
+      let(:moderation) { create(:user_moderation, user: reportable) }
+      let(:admin_log_resource) { reportable }
+      let(:admin_log_extra_data) { { extra: { user_id: reportable.id } } }
+      let(:action) { "report" }
+    end
+  end
+end