Open browser in incognito/InPrivate mode

[ianzone]

Is your feature request related to a problem? Please describe.

My browser has many plugins, and they would affect storybook display.

Describe the solution you'd like

Open browser in incognito/InPrivate mode by default

Describe alternatives you've considered

No response

Are you able to assist to bring the feature to reality?

no

Additional context

No response