BPSO-73463 feat(action-bar): fix styling, use passed components, simplify logic

[gkchestertron]

This project uses semver, please check the scope of this pr:

• [ ] #none# - documentation fixes and/or test additions
• [x] #patch# - backwards-compatible bug fix
• [ ] #minor# - adding functionality in a backwards-compatible manner
• [ ] #major# - incompatible API change

CHANGELOG

• fixed styling of action bar
• removed ember version specific code
• started using passed in components to allow natural state handling of properties

[gkchestertron]

[notmessenger]

👍