refs #6105
- adds `raw` ember-data transform to handle standard JSON `count` attribute
- update mirage factory to return correct `count.posts` format
- rename all uses of `post_count` to `count.posts`
refs #5652
- always put button text inside opening/closing helper tag
- only include type if it is 'submit' as button is default
- wrap attributes in double quotes
Refs #5501
- Switch role select dropdowns from gh-select based components to
gh-select-native.
- Prevent transition out of editor while there is an in-flight save.