[Bug]: Adding on-prem node/instance to two different fleets shouldn't be allowed #1699
Description
Steps to reproduce
Create a fleet with an on-prem node/instance. Change the name of the fleet in the config and apply. The on-prem node will now be a part of two different fleets.
Actual behaviour
No response
Expected behaviour
When adding a node/instance to a fleet, it should check if that node/instance is already part of a fleet
dstack version
0.18.13 and 0.18.14rc1
Server logs
No response
Additional information
No response