Description of problem:

EndpointList components Warning: Each child in a list should have a unique "key" prop.

To reproduce:
Run "packages/operator-lifecycle-manager/src/components/descriptors/spec/_tests_/index.spec.tsx" tests

```
Warning: Each child in a list should have a unique "key" prop.

Check the render method of `EndpointList`. See https://reactjs.org/link/warning-keys for more information.
at EndpointRow
````