Env activation on MacOS comes with unwanted error

[MathiasMagnus]

The execution policy "bypass" implemented for #1341 triggers Set-ExecutionPolicy: Operation is not supported on this platform. on MacOS. Said preamble to the activation command should probably be Windows-specific.

[Avasam]

Same on Linux, obviously

With python-envs.terminal.autoActivationType: command

With python-envs.terminal.autoActivationType: shellStartup