[dashboard]

Improvements

• [USER] Fixed: Error message in cluster YAML editor was not cleared correctly on user input (#480, @grolu)
• [USER] Fixed: Server error message was sometimes displayed on cluster details page after cluster creation (#480, @grolu)
• [USER] Fixed: A zone configuration errors sometimes occurred when creating a new cluster on Azure infrastructure (#480, @grolu)
• [USER] Added information on how to access the Kubernetes Dashboard when it is configured for token login (#480, @grolu)