Login: can the background color of the the system indicator be the same as the rest of the screen?

[designsimply]

Is it possible to make the background color of the system indicator the same as the rest of the screen? (Gray 0)
^{— from @Garance91540 as part of 6.8 beta testing 👍}

^{(internal reference: p5T066-2mv-p2#comment-8598)}

Testing note: we should check this in light theme and dark theme.

[Bhawna-Ad]

Hi! I would like to work on this issue. Can you suggest how can I get started?