After switching to the sudo-ed tramp buffer, this restores the point and
scroll position of the window to match the source buffer.
I exploit save-place here instead of simply saving/restoring (point)
and (window-start), because I believe it's better UX that save-place
treat the two buffers as effectively the same now and in the future, and
record the last cursor position equally between them, even if the
implementation is messier. This *could* be generalized into an advice
for save-place-find-file-hook and save-place-to-alist, but that's an
experiment for another day.
This is an experimental implementation and may change later.
Close: #7181
Co-authored-by: YourFin <YourFin@users.noreply.github.com>
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