Merge branch 'include-ee-fixtures' into 'master'

Add EE fixtures to SeedFu fixture paths

See merge request gitlab-org/gitlab-ce!28241

changelogs/unreleased/include-ee-fixtures.yml

+---
+title: Add EE fixtures to SeedFu list
+merge_request: 28241
+author:
+type: other

config/initializers/seed_fu.rb

+# frozen_string_literal: true
+if Gitlab.ee?
+  SeedFu.fixture_paths += %W[ee/db/fixtures ee/db/fixtures/#{Rails.env}]
+end