Autofix Rubocop Style/IfUnlessModifier (#23697)

.rubocop_todo.yml

app/controllers/admin/domain_blocks_controller.rb

...ntrollers/api/v1/accounts/follower_accounts_controller.rb

...trollers/api/v1/accounts/following_accounts_controller.rb

app/controllers/api/v1/accounts/statuses_controller.rb

app/controllers/api/v1/admin/accounts_controller.rb

app/controllers/api/v1/blocks_controller.rb

app/controllers/api/v1/conversations_controller.rb

app/controllers/api/v1/domain_blocks_controller.rb

app/controllers/api/v1/endorsements_controller.rb

app/controllers/api/v1/favourites_controller.rb

app/controllers/api/v1/follow_requests_controller.rb

app/controllers/api/v1/lists/accounts_controller.rb

app/controllers/api/v1/mutes_controller.rb

app/controllers/api/v1/notifications_controller.rb

app/controllers/api/v1/scheduled_statuses_controller.rb

...lers/api/v1/statuses/favourited_by_accounts_controller.rb

...llers/api/v1/statuses/reblogged_by_accounts_controller.rb

app/controllers/api/v2/admin/accounts_controller.rb

app/controllers/auth/registrations_controller.rb