Use a &'static str inside of `Window::name`

[alice-i-cecile]

          Could this be a &'static str instead? Given that it's not supposed to be changed?

Originally posted by @atornity in #7650 (comment)

[SludgePhD]

Wouldn't that make it impossible to compute/format the window name during creation without leaking memory?

[alice-i-cecile]

Yeah, fair point. Closing this out.

[ManevilleF]

Would a Cow<&'static str> work then ?