Can't see stack trace for server action errors

[landenai]

Note: unsure if this is an issue with our instrumentation or a limitation of using server actions

Environment

• Vercel Production Deployment
  
• Github
• Link to server action instrumentation

Steps to Reproduce:

• visit https://empower-omega-eight.vercel.app/
• Navigate to products page
• Add products to cart
• Click on Cart, then Proceed to Checkout
• Click Submit
• Should be shown a generic error (expected)
• Find Checkout page trace in demo.sentry.io

Expected Result

• In the trace we can see downstream spans related to the server action code and corresponding db calls
• In the corresponding error, we see a relevant stack trace

Actual Results

• We see a span for the server action with very little data like this
  
• The corresponding error does not show a stack trace
  

[chargome]

This is likely the same issue as with #629 – the lambda in low-traffic applications is shutting down before the event flushes. Everything working as expected on a local prod build – we'll try to find a fix

[chargome]

I have also added #632 for future debugging purposes