#3184 [Core feature] Add a new state called CreatingCluster Issue created by pingsutw Motivation: Why do you think this is important? Some tasks like Ray and Spark on Databricks will create an ephemeral cluster before running the task. Adding a

ClusterCreating

state for tasks would be helpful for people to know what's going on underneath. It is also much easier to debug if an operator fails to create a new cluster. In addition, cluster creation time and current task running time can be measured.it Goal: What should the final outcome look like, ideally? Users will know Flyte is creating a cluster when the node is stared Describe alternatives you've considered NA Propose: Link/Inline OR Additional context No response Are you sure this issue hasn't been raised already? ☑︎ Yes Have you read the Code of Conduct? ☑︎ Yes flyteorg/flyte