Node collector changes #572
Description
When node collector backend changes it values it may be the case that a user picking a node from the list of nodes in the ui picks a node which is no longer in the list provided by the backend resulting in an error to the user
To circumvent this several solutions could be considered:
- Make a lazy list which contains history back in time about nodes with a certain TTL. We still show what the collector backend contains
- Show an error explaining that the node no longer exists
- Send forth what ever data we may have obtained from the list and show that