Error: Cannot trigger notification without a message

Sentry Issue: [MANAGER-UI-2GG](https://zestyio.sentry.io/issues/7044056353/?referrer=github_integration)

```
Error: Cannot trigger notification without a message
  at Z (./src/shell/store/notifications.ts:39:11)
  at <object>.{children#2}.onChange (./src/shell/components/GlobalSearch/index.tsx:379:22)
...
(12 additional frame(s) were not displayed)
```