Launch python tb with the activated env vars

[DonJayamanne]

Fixes #19591

[karrtikr]

Please fix errors.

[Harshit-Pateria]

Are these commits live?
I am still facing the issues with tensorboard and conda env

[karrtikr]

Fix should be out in the pre-release version of the extension in a day, use the following to try it out:

[karrtikr]

If not, you can open an issue at https://github.com/microsoft/vscode-jupyter.

[thekingofkings]

They are live in the pre-release version now.

[alelom]

I'm still experiencing the issue when attempting to start TB from SSH on a Linux VM with Conda. I get this:

even though Tensorboard is installed, and the selected interpreter uses the right VEnv. If you select "Yes", you get:

Here's what I did to make it work: https://stackoverflow.com/a/77301753/3873799

[RehmanSohailQureshi]

I'm still getting the same issue as well. Fresh install of Conda, VS Code, and Python. Still the same problem.