Tensorboard Lifecycle Management Bug

### Product Version

- [ ] Amazon SageMaker Studio Classic
- [X] Amazon SageMaker Studio
- [ ] Issue is not related to SageMaker Studio

### Issue Description

Closing the tab containing tensorboard on codespaces doesn't kill the process.

Steps to reproduce
1. Use the ">" and select "Launch tensorboard".
2. Close the tab.
3. Open a terminal and run "ps -ef | grep tensorboard". Tensorboard server should show up as running.

### Expected Behavior

_No response_

### Observed Behavior

_No response_

### Product Category

_No response_

### Feedback Category

_No response_

### Other Details

_No response_

Reproduce the issue by launching TensorBoard from the SageMaker Studio menu, closing its tab, and checking the process with "ps -ef | grep tensorboard". Identify the launch and tab-close lifecycle components; done means closing the tab also terminates the TensorBoard server process.

Written by the indexing model from the issue text.