Fix logic for displaying gold trial callout

This makes it the same with previous behavior where a user that
is a Maintainer / Developer / Reporter of a paid plan should still
see the Gold trial banner.

ee/app/helpers/ee/user_callouts_helper.rb

@@ -120,7 +120,7 @@ module EE
     end
 
     def has_no_trial_or_paid_plan?(user)
-      return false if user.has_paid_namespace?
+      return false if user.owns_paid_namespace?
 
       !user.any_namespace_with_trial?
     end

ee/app/models/ee/user.rb

@@ -217,14 +217,14 @@ module EE
 
     def any_namespace_with_trial?
       ::Namespace
-        .from("(#{namespace_union(:trial_ends_on)}) #{::Namespace.table_name}")
+        .from("(#{namespace_union_for_owned(:trial_ends_on)}) #{::Namespace.table_name}")
         .where('trial_ends_on > ?', Time.now.utc)
         .any?
     end
 
     def any_namespace_without_trial?
       ::Namespace
-        .from("(#{namespace_union(:trial_ends_on)}) #{::Namespace.table_name}")
+        .from("(#{namespace_union_for_owned(:trial_ends_on)}) #{::Namespace.table_name}")
         .where(trial_ends_on: nil)
         .any?
     end
@@ -233,7 +233,15 @@ module EE
       ::Namespace
         .from("(#{namespace_union_for_reporter_developer_maintainer_owned}) #{::Namespace.table_name}")
         .include_gitlab_subscription
-        .where(gitlab_subscriptions: { hosted_plan_id: Plan.where(name: Plan::PAID_HOSTED_PLANS) })
+        .where(gitlab_subscriptions: { hosted_plan: Plan.where(name: Plan::PAID_HOSTED_PLANS) })
+        .any?
+    end
+
+    def owns_paid_namespace?
+      ::Namespace
+        .from("(#{namespace_union_for_owned}) #{::Namespace.table_name}")
+        .include_gitlab_subscription
+        .where(gitlab_subscriptions: { hosted_plan: Plan.where(name: Plan::PAID_HOSTED_PLANS) })
         .any?
     end
 
@@ -335,7 +343,7 @@ module EE
 
     private
 
-    def namespace_union(select = :id)
+    def namespace_union_for_owned(select = :id)
       ::Gitlab::SQL::Union.new([
         ::Namespace.select(select).where(type: nil, owner: self),
         owned_groups.select(select).where(parent_id: nil)

ee/spec/models/user_spec.rb

@@ -1030,13 +1030,14 @@ describe User do
     end
   end
 
-  describe '#has_paid_namespace?' do
+  context 'paid namespaces' do
     let_it_be(:user) { create(:user) }
     let_it_be(:gold_group) { create(:group_with_plan, plan: :gold_plan) }
     let_it_be(:bronze_group) { create(:group_with_plan, plan: :bronze_plan) }
     let_it_be(:free_group) { create(:group_with_plan, plan: :free_plan) }
     let_it_be(:group_without_plan) { create(:group) }
 
+    describe '#has_paid_namespace?' do
       context 'when the user has Reporter or higher on at least one paid group' do
         it 'returns true' do
           gold_group.add_reporter(user)
@@ -1064,4 +1065,34 @@ describe User do
         end
       end
     end
+
+    describe '#owns_paid_namespace?' do
+      context 'when the user is an owner of at least one paid group' do
+        it 'returns true' do
+          gold_group.add_owner(user)
+          bronze_group.add_owner(user)
+
+          expect(user.owns_paid_namespace?).to eq(true)
+        end
+      end
+
+      context 'when the user is only a Maintainer on paid groups' do
+        it 'returns false' do
+          gold_group.add_maintainer(user)
+          bronze_group.add_maintainer(user)
+          free_group.add_owner(user)
+
+          expect(user.owns_paid_namespace?).to eq(false)
+        end
+      end
+
+      context 'when the user is not a member of any groups with plans' do
+        it 'returns false' do
+          group_without_plan.add_owner(user)
+
+          expect(user.owns_paid_namespace?).to eq(false)
+        end
+      end
+    end
+  end
 end