Autofix Rubocop RSpec/LeadingSubject (#23670)

.rubocop_todo.yml

spec/controllers/activitypub/collections_controller_spec.rb

...activitypub/followers_synchronizations_controller_spec.rb

spec/controllers/activitypub/inboxes_controller_spec.rb

spec/controllers/activitypub/outboxes_controller_spec.rb

spec/controllers/admin/invites_controller_spec.rb

spec/controllers/auth/registrations_controller_spec.rb

spec/controllers/well_known/webfinger_controller_spec.rb

spec/lib/activitypub/activity/accept_spec.rb

spec/lib/activitypub/activity/announce_spec.rb

spec/lib/activitypub/activity/create_spec.rb

spec/lib/activitypub/activity/reject_spec.rb

spec/lib/activitypub/activity/undo_spec.rb

spec/lib/activitypub/activity/update_spec.rb

spec/lib/activitypub/adapter_spec.rb

spec/lib/activitypub/dereferencer_spec.rb

spec/lib/activitypub/linked_data_signature_spec.rb

spec/lib/link_details_extractor_spec.rb

spec/lib/status_filter_spec.rb

spec/lib/status_reach_finder_spec.rb