Adds margin to billings page

- was collapsed before

Changelog: other
EE: true

ee/app/views/groups/billings/index.html.haml

@@ -3,7 +3,7 @@
 
 = render_if_exists 'shared/qrtly_reconciliation_alert', group: @group
 
-- if @top_most_group
+- if @top_most_group # subgroup
   - top_most_group_plan = subscription_plan_info(@plans_data, @top_most_group.actual_plan_name)
   = render 'shared/billings/billing_plan_header', namespace: @group, plan: top_most_group_plan, parent_group: @top_most_group
 - else

ee/app/views/shared/billings/_billing_plan_header.html.haml

@@ -3,7 +3,7 @@
 - if namespace_for_user
   = render_if_exists 'trials/banner', namespace: namespace
 
-.billing-plan-header.content-block.center.gl-mb-3
+.billing-plan-header.content-block.center
   .billing-plan-logo
     - if namespace_for_user
       .avatar-container.s96.home-panel-avatar.gl-mr-3.float-none.mx-auto.mb-4.mt-1

ee/app/views/shared/billings/_billing_plans.html.haml

@@ -10,7 +10,7 @@
 - if show_plans?(namespace)
   - plans = billing_available_plans(plans_data, current_plan)
 
-  .billing-plans
+  .billing-plans.gl-mt-7
     - plans.each do |plan|
       - next if plan.hide_card
       - is_default_plan = current_plan.nil? && plan.default?