Unnecessary DOM updates

In the Editorial Engine demo, huge chunks of the DOM are updated at every tick, even elements that didn't need to change.

https://github.com/user-attachments/assets/0809d137-e587-4e2a-85e7-c172c56bea87

Notice how the line that says "THE FUTURE" is not changing, yet its DOM element is beign replaced all the time.

This may (or may not) be related to #151