Respect `use_pubsub_feeds` config

Setting `use_pubsub_feeds: false` now properly disables it.

src/invidious.cr

@@ -169,7 +169,6 @@ end
 
 Invidious::Jobs.register Invidious::Jobs::RefreshChannelsJob.new(PG_DB, config)
 Invidious::Jobs.register Invidious::Jobs::RefreshFeedsJob.new(PG_DB, config)
-Invidious::Jobs.register Invidious::Jobs::SubscribeToFeedsJob.new(PG_DB, config, HMAC_KEY)
 
 DECRYPT_FUNCTION = DecryptFunction.new(CONFIG.decrypt_polling)
 if config.decrypt_polling
@@ -180,6 +179,10 @@ if config.statistics_enabled
   Invidious::Jobs.register Invidious::Jobs::StatisticsRefreshJob.new(PG_DB, config, SOFTWARE)
 end
 
+if (config.use_pubsub_feeds.is_a?(Bool) && config.use_pubsub_feeds.as(Bool)) || (config.use_pubsub_feeds.is_a?(Int32) && config.use_pubsub_feeds.as(Int32) > 0)
+  Invidious::Jobs.register Invidious::Jobs::SubscribeToFeedsJob.new(PG_DB, config, HMAC_KEY)
+end
+
 if config.popular_enabled
   Invidious::Jobs.register Invidious::Jobs::PullPopularVideosJob.new(PG_DB)
 end