Table Performance Enhancements

[jordiup]

This started as a spike, but will likely be rolled into the next release:

See progress here

https://x.com/Jordi_Up/status/1838113957854491069

[jordiup]

live! https://x.com/getdbxcom/status/1838504773873734136

looking forward to feedback on the new editor!

if ppl need an escape hatch back to the old one, can potentially feature flag