Show notification reaffirming Python extension still handles activation even if no prompt is shown

[karrtikr]

When in pythonTerminalEnvVarActivation experiment:

• Listen to onDidOpenTerminal and show a notification explaining that the Python extension handles activation
  • The notification would show up once per session/window
  • The notification will include a link to docs that go into more detail on how environment activation works and how to configure it (eg. explain that you can switch to the command running method once the default method is switched)
  • It will have a do not show again button that will prevent it from showing again, this decision should be synced via settings sync to minimize a user who acknoledged it from seeing it again
  • Since it's listening after extension activation, this should prevent a notification showing up on startup or after a syncing extensions
• Still show the activated environment in the prompt when it's possible by only setting environment variables, try not to show the prompt in those cases.

[karrtikr]

Notification:

Python extension automatically activates all terminals using environment variables, even when the name of the environment is not present in the terminal prompt. Learn more.
[ Got it! ]

...where clicking got it will ensure we never show this notification again.

[karrtikr]

cc/ @cwebster-99 @Tyriar Let me know if there's any feedback regarding notification text (including the "Learn more" wiki).

[Tyriar]

Python extension automatically activates all terminals using environment variables

"activates" seems ambiguous here. I think we should omit the method "environment variables" as it's a little technical and instead go into that detail in the docs if they care.

even when the name of the environment is not present in the terminal prompt

Instead of calling out the inconsistency where the name may not show, should we instead say you can hover the terminal tab to get information about the activation?

[ Got it! ]

"Don't Show Again" is the standard wording for the action

I'm not sure if extensions can access the built-in don't show again action:

https://github.com/microsoft/vscode/blob/34122ea014ef99f10e54908141bbb94bc54a1000/src/vs/workbench/services/notification/common/notificationService.ts#L210-L221

[karrtikr]

Updated notification:

Python extension automatically activates all terminals using the selected environment. You can hover over the terminal tab to get information about the activation. Learn more.

I agree, this sounds better. Btw here's what learn more points to https://aka.ms/vscodePythonTerminalActivation.

"Don't Show Again" is the standard wording for the action

"Don't show again" is definitely the text to go with when there're multiple buttons in the prompt, but here we only have one button and this is an informational prompt, which is why I went with "got it". We used to have such a notification when trying to educate users about selecting interpreter:

Regardless, let me know if "Don't show again" is still preferred and I can change it back ✌️

[karrtikr]

Which one do we prefer?

v/s

cc/ @cwebster-99 @luabud

[Tyriar]

I prefer "Don't Show Again" (with "Don't" and capital case), but PMs would be better as the final decision.

[Tyriar]

I agree, this sounds better. Btw here's what learn more points to https://aka.ms/vscodePythonTerminalActivation.

Eventually could this point at a new https://code.visualstudio.com/docs/python/environments section that describes how the environment variable activation works?