Change deletes to preserve soft-deleted statuses in unresolved reports (#11805)

Change all account actions except "none" to resolve all unresolved reports

Refactor `SuspendAccountService` to be more readable

app/lib/activitypub/activity/delete.rb

@@ -13,8 +13,7 @@ class ActivityPub::Activity::Delete < ActivityPub::Activity
 
   def delete_person
     lock_or_return("delete_in_progress:#{@account.id}") do
-      SuspendAccountService.new.call(@account)
-      @account.destroy!
+      SuspendAccountService.new.call(@account, reserve_username: false)
     end
   end