[openable] Do we need a source property in an options bag for the open and toggle methods like popover has?

[lukewarlow]

This will probably depend on things such as #1158

Essentially is the invoker important to the openable behaviour?

[lukewarlow]

Per the focus management discussion the answer is yes invoking is relevant, so it should have the imperative link.

[github-actions]

There hasn't been any discussion on this issue for a while, so we're marking it as stale. If you choose to kick off the discussion again, we'll remove the 'stale' label.