changed additional places where cog was used for settings like group settings...

changed additional places where cog was used for settings like group settings and admin settings, changed changelog to reflect

CHANGELOG

@@ -74,7 +74,7 @@ v 8.12.4
   - Fix failed project deletion when feature visibility set to private. !6688
   - Prevent claiming associated model IDs via import.
   - Set GitLab project exported file permissions to owner only
-  - changed project-settings-button from fa-cog to fa-sliders.
+  - Changed settings-button from fa-cog to fa-sliders.
 
 v 8.12.3
   - Update Gitlab Shell to support low IO priority for storage moves

app/views/layouts/nav/_admin_settings.html.haml

 .controls
   .dropdown.admin-settings-dropdown
     %a.dropdown-new.btn.btn-default{href: '#', 'data-toggle' => 'dropdown'}
-      = icon('cog')
+      = icon('sliders')
       = icon('caret-down')
     %ul.dropdown-menu.dropdown-menu-align-right
       = nav_link(controller: :deploy_keys) do

app/views/layouts/nav/_group_settings.html.haml

@@ -8,7 +8,7 @@
     .controls
       .dropdown.group-settings-dropdown
         %a.dropdown-new.btn.btn-default#group-settings-button{href: '#', 'data-toggle' => 'dropdown'}
-          = icon('cog')
+          = icon('sliders')
           = icon('caret-down')
         %ul.dropdown-menu.dropdown-menu-align-right
           - if can_admin_group