Fix remotely-suspended accounts' toots being merged back into timelines (#16628)

* Fix remotely-suspended accounts' toots being merged back into timelines

* Mark remotely-deleted accounts as remotely suspended

app/services/resolve_account_service.rb

@@ -142,6 +142,7 @@ class ResolveAccountService < BaseService
   end
 
   def queue_deletion!
+    @account.suspend!(origin: :remote)
     AccountDeletionWorker.perform_async(@account.id, reserve_username: false, skip_activitypub: true)
   end
 

app/services/unsuspend_account_service.rb

@@ -7,7 +7,7 @@ class UnsuspendAccountService < BaseService
     unsuspend!
     refresh_remote_account!
 
-    return if @account.nil?
+    return if @account.nil? || @account.suspended?
 
     merge_into_home_timelines!
     merge_into_list_timelines!