Header CSS design updates

Author: piyushkalasariya

Gemfile

@@ -40,8 +40,8 @@ group :development do
 end
 
 # gem 'killbill-assets-ui', github: 'killbill/killbill-assets-ui', ref: 'main'
-# gem 'killbill-assets-ui', path: '../killbill-assets-ui'
-gem 'killbill-assets-ui'
+gem 'killbill-assets-ui', path: '../killbill-assets-ui'
+# gem 'killbill-assets-ui'
 
 # gem 'killbill-client', path: '../killbill-client-ruby'
 # gem 'killbill-client', git: 'https://github.com/killbill/killbill-client-ruby.git', branch: 'master'

app/assets/images/kaui/header/account.svg

@@ -4,9 +4,9 @@
 // It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
 // the compiled file.
 //
+//= require popper
 //= require assets/common
 //= require js-routes
 //= require jquery-ui/widgets/autocomplete
 //= require mustache
-//= require popper
-//= require kaui/kaui
+//= require kaui/kaui

app/assets/images/kaui/header/cog_icon.svg

@@ -20,6 +20,5 @@
  *= require kaui/timeline.css
  *= require kaui/tooltip.css
  *= require kaui/kaui.css
- *= require kaui/theme.css
  *= require assets/common
 */