Error providing chat sessions: TypeError: Cannot read properties of undefined (reading 'created_at')

[joshspicer]

From console: Error providing chat sessions: TypeError: Cannot read properties of undefined (reading 'created_at')

There's a few places we unsafely read 'created_at' in copilot-chat. I am not observing this causing a functional issue

[joshspicer]

cc/ @osortega but I'll look at