Fix feature flag check for security policy project

This change fixes a bug due to checking
feature flag for the newly created security policy project
rather than the target project.

EE: true
Changelog: fixed

ee/app/services/ee/projects/create_service.rb

@@ -55,18 +55,18 @@ module EE
       override :after_create_actions
       def after_create_actions
         super do
-          create_security_policy_configuration if security_policy_target_project?
+          create_security_policy_configuration_if_exists
         end
 
         create_predefined_push_rule
       end
 
-      def security_policy_target_project?
-        security_policy_target_project_id && ::Feature.enabled?(:security_orchestration_policies_configuration, project)
-      end
+      def create_security_policy_configuration_if_exists
+        return unless security_policy_target_project_id.present?
 
-      def create_security_policy_configuration
         if (security_policy_target_project = ::Project.find(security_policy_target_project_id))
+          return unless ::Feature.enabled?(:security_orchestration_policies_configuration, security_policy_target_project)
+
           ::Security::Orchestration::AssignService
             .new(security_policy_target_project, current_user, policy_project_id: project.id)
             .execute

ee/spec/services/projects/create_service_spec.rb

@@ -367,7 +367,7 @@ RSpec.describe Projects::CreateService, '#execute' do
       stub_feature_flags(security_orchestration_policies_configuration: feature_enabled)
     end
 
-    context 'when feature flag is enabled' do
+    context 'when feature flag is enabled globally' do
       let_it_be(:feature_enabled) { true }
 
       it 'creates security policy configuration for the project' do
@@ -377,7 +377,7 @@ RSpec.describe Projects::CreateService, '#execute' do
       end
     end
 
-    context 'when feature flag is disabled' do
+    context 'when feature flag is disabled globally' do
       let_it_be(:feature_enabled) { false }
 
       it 'does not create security policy configuration' do
@@ -386,6 +386,16 @@ RSpec.describe Projects::CreateService, '#execute' do
         create_project(user, opts)
       end
     end
+
+    context 'when feature flag is enabled only for target project' do
+      let_it_be(:feature_enabled) { security_policy_target_project }
+
+      it 'creates security policy configuration' do
+        expect(::Security::Orchestration::AssignService).to receive_message_chain(:new, :execute)
+
+        create_project(user, opts)
+      end
+    end
   end
 
   def create_project(user, opts)