%rez has always used "width & height". Certainly, "x & y" is more
standard than "row & column". As such, we settle on making %hop and %hit
respect the more natural ordering. This change is safe because these
interfaces haven't made it to livenet yet.
Fully implements webterm support for multiple dill terminal sessions.
Remaining work includes styling, session creation safety (name-wise),
and general cleanup.
Co-authored-by: tomholford <tomholford@users.noreply.github.com>
Co-authored-by: liam-fitzgerald <liam@tlon.io>
