Write panics and crashes to snowflake (#28284)

This will let us create a better crashes dashboard, using Hex.

Release Notes:

- N/A

crates/collab/src/api/billing.rs

@@ -127,7 +127,7 @@ async fn update_billing_preferences(
 
     SnowflakeRow::new(
         "Spend Limit Updated",
-        user.metrics_id,
+        Some(user.metrics_id),
         user.admin,
         None,
         json!({