Autofix Rubocop RSpec/BeEq (#23740)

.rubocop_todo.yml

...controllers/admin/export_domain_allows_controller_spec.rb

spec/controllers/admin/reports/actions_controller_spec.rb

spec/controllers/admin/reports_controller_spec.rb

...admin/users/two_factor_authentications_controller_spec.rb

...ontrollers/api/v1/accounts/credentials_controller_spec.rb

spec/controllers/api/v1/bookmarks_controller_spec.rb

spec/controllers/api/v1/favourites_controller_spec.rb

spec/controllers/api/v2/filters/keywords_controller_spec.rb

spec/controllers/application_controller_spec.rb

spec/controllers/auth/registrations_controller_spec.rb

spec/controllers/statuses_cleanup_controller_spec.rb

spec/helpers/application_helper_spec.rb

spec/helpers/jsonld_helper_spec.rb

spec/lib/activitypub/activity/add_spec.rb

spec/lib/activitypub/activity/create_spec.rb

spec/lib/feed_manager_spec.rb

spec/lib/ostatus/tag_manager_spec.rb

spec/lib/tag_manager_spec.rb

spec/lib/user_settings_decorator_spec.rb