It apparently believes that if the editor's nodes are directly next to
each other without margin, the user needs a magnifying glass to pick
a cursor position.

Still doesn't work properly

Simple things work.

Add a dummy ContentEditableInput

Closes #3093

Issue #3095

Issue #3089

Both to the annotateScrollbar and to the editor itself.

They were unintentionally falling outside of the operation

To prevent scrolling artifacts

Closes #3091

Closes #2323

[attr, calc, counter, counters, linear-gradient, matrix, matrix3d,
perspective, radial-gradient, repeating-linear-gradient,
repeating-radial-gradient, rotate, rotate3d, rotateX, rotateY, rotateZ,
scale, scale3d, scaleX, scaleY, scaleZ, skew, skewX, skewY, symbols,
translate, translate3d, translateX, translateY, translateZ, var]