Fix Gitlab::Seeder.quiet changes leaking
What does this MR do?
Fixes overrides done in .quiet so that they don't leak outside the block
Fixes the order-dependent specs:
bin/rspec './spec/db/production/create_base_work_item_types_spec.rb[1:1:1]' './spec/workers/email_receiver_worker_spec.rb[1:1:2:1:1,1:1:2:3:1]'
Related to #340308 (closed)
Edited by Heinrich Lee Yu