Deleting an upstream component should delete the downstream references to it

[AdRiley]

Build a simple workflow

and delete a component that connects downstream.

Expected behaviour:

The downstream references should be replaced with _ that can then be reconnected to a new output

Actual behaviour:

A reference to the now deleted component is left behind:

[farmaazon]

I guess we should just do an act of reconnecting everything, as we did in old GUI.

[enso-bot]

Paweł Grabarz reports a new STANDUP for the provided date (2024-04-09):

Progress: Implemented edge cleanup on node deletion. It should be finished by 2024-04-09.