Fix payout notifications (#4707)

* Add limit to payouts_values_notifications synchronizer

* Set payout notification threshold to $1

* Fix formatting

* Query cache

apps/labrinth/src/queue/email/templates.rs

@@ -631,7 +631,7 @@ async fn collect_template_variables(
 
             map.insert(
                 PAYOUTAVAILABLE_AMOUNT,
-                format!("USD${:.2}", *amount as f64 / 100.0),
+                format!("${:.2} USD", *amount as f64 / 100.0),
             );
 
             Ok(EmailTemplate::Static(map))

apps/labrinth/src/queue/payouts/mod.rs

@@ -1355,6 +1355,7 @@ pub async fn index_payouts_notifications(
 
     payouts_values_notifications::synchronize_future_payout_values(
         &mut *transaction,
+        200,
     )
     .await?;
     let items = payouts_values_notifications::PayoutsValuesNotification::unnotified_users_with_available_payouts_with_limit(&mut *transaction, 200).await?;