Render a component within a Widget. (Using select-kit components within plugin code)

Development
7

For the record - we have a new system for rendering Ember components within widgets. Details can be found in the commit message here:

https://github.com/discourse/discourse/commit/6c5efb61c992fb9850f900b49f5df6ca57bfff9a

Search for RenderGlimmer in the core codebase to find example uses.