Do not call Manager#didCreateElement for AttrSplat.
Do not call Manager#didCreateElement for AttrSplat.

This changes the generated opcodes such that `<div ...attributes></div>`
no longer invokes the `didCreateElement` hook on the associated manager.

`didCreateElement` is intended only for the "wrapping element" in
scenarios like `Ember.Component` (which specifically uses the
`WrappedBuilder` et al).

tildeio/glimmer,glimmerjs/glimmer-vm,glimmerjs/glimmer-vm,tildeio/glimmer,tildeio/glimmer,glimmerjs/glimmer-vm