Create .list-items-py-2 class for compact list

Replace usaged in geo/node/projects

https://gitlab.com/gitlab-org/gitlab/merge_requests/22718

app/assets/stylesheets/framework/lists.scss

@@ -101,6 +101,13 @@ ul.unstyled-list > li {
   border-bottom: 0;
 }
 
+ul.list-items-py-2 {
+  > li {
+    padding-top: 0.5rem;
+    padding-bottom: 0.5rem;
+  }
+}
+
 // Generic content list
 ul.content-list {
   @include basic-list;

ee/app/views/admin/geo/projects/_registry_failed.html.haml

@@ -38,7 +38,7 @@
       .container.m-0.p-0
         .row
           .col-sm-8
-            %ul.unstyled-list
+            %ul.unstyled-list.list-items-py-2
               - if project_registry.last_repository_sync_failure
                 %li.d-flex.text-danger-500
                   = sprite_icon('warning', size: 18)

ee/app/views/admin/geo/projects/_registry_never.html.haml

@@ -39,7 +39,7 @@
         .container.m-0.p-0
           .row
             .col-sm-8
-              %ul.unstyled-list
+              %ul.unstyled-list.list-items-py-2
                 - if project_registry.last_repository_sync_failure
                   %li.d-flex.text-danger-500
                     = sprite_icon('warning', size: 18)