Improve account suspension speed and completeness (#9290)

- Some associations were missing from the clean-up
- Some attributes were not reset on suspension
- Skip federation and streaming deletes when purging a dead domain
- Move account association definitions to concern

app/services/batched_remove_status_service.rb

@@ -9,7 +9,9 @@ class BatchedRemoveStatusService < BaseService
   # Remove statuses from home feeds
   # Push delete events to streaming API for home feeds and public feeds
   # @param [Status] statuses A preferably batched array of statuses
-  def call(statuses)
+  # @param [Hash] options
+  # @option [Boolean] :skip_side_effects
+  def call(statuses, **options)
     statuses = Status.where(id: statuses.map(&:id)).includes(:account, :stream_entry).flat_map { |status| [status] + status.reblogs.includes(:account, :stream_entry).to_a }
 
     @mentions = statuses.each_with_object({}) { |s, h| h[s.id] = s.active_mentions.includes(:account).to_a }
@@ -26,6 +28,8 @@ class BatchedRemoveStatusService < BaseService
       status.destroy
     end
 
+    return if options[:skip_side_effects]
+
     # Batch by source account
     statuses.group_by(&:account_id).each_value do |account_statuses|
       account = account_statuses.first.account