<sl-split-panel> – consider exposing ::part(start) ::part(end)

[CetinSert]

What issue are you having?

Expected

What I get

Describe the solution you'd like

<sl-split-panel> exposes ::part(start) and ::part(end)

Describe alternatives you've considered

In what ways have you tried to solve this with the current version?

Modified the open shadow-root manually to override overflow.

[CetinSert]

Perhaps with panel added, as in: <div class=start part="panel start"> <div class=end part="panel end">.