Adjust action-bar buttons according to issue #11577
Adjust primary-button colors and add compiled css
[2.3] Adds Resource Group tree icons
Adds Resource Group tree icons

* origin/pr/11627:
  [2.3] Adds Resource Group tree icons
Adjust action-bar buttons

* origin/pr/11616:
  Adjust primary-button colors and add compiled css
  Adjust action-bar buttons according to issue #11577