Update helpers to be more concise

- ensure helper matches project helper

ee/app/helpers/ee/security_orchestration_helper.rb

@@ -11,8 +11,8 @@ module EE
       return unless namespace
 
       {
-        assigned_policy_project: 'null',
-        disable_scan_policy_update: false,
+        assigned_policy_project: nil.to_json,
+        disable_scan_policy_update: false.to_s,
         create_agent_help_path: help_page_url('user/clusters/agent/install/index'),
         policy: policy&.to_json,
         policy_editor_empty_state_svg_path: image_path('illustrations/monitoring/unable_to_connect.svg'),

ee/app/views/groups/security/policies/new.html.haml

 - add_to_breadcrumbs s_("SecurityOrchestration|Policies"), group_security_policies_path(@group)
 - breadcrumb_title s_("SecurityOrchestration|New policy")
 - page_title s_("SecurityOrchestration|Policy editor")
-- data = security_orchestration_policy_data(@group)
 
-#js-group-policy-builder-app{ data: data }
+#js-group-policy-builder-app{ data: security_orchestration_policy_data(@group) }

ee/spec/helpers/ee/security_orchestration_helper_spec.rb

@@ -10,8 +10,8 @@ RSpec.describe EE::SecurityOrchestrationHelper do
     let(:owner) { namespace.first_owner }
     let(:base_data) do
       {
-        assigned_policy_project: "null",
-        disable_scan_policy_update: false,
+        assigned_policy_project: nil.to_json,
+        disable_scan_policy_update: false.to_s,
         create_agent_help_path: kind_of(String),
         policy: policy&.to_json,
         policy_editor_empty_state_svg_path: kind_of(String),
@@ -40,12 +40,7 @@ RSpec.describe EE::SecurityOrchestrationHelper do
       let(:policy_type) { 'scan_execution_policy' }
 
       let(:policy) do
-        Gitlab::Kubernetes::CiliumNetworkPolicy.new(
-          name: 'policy',
-          namespace: 'another',
-          selector: { matchLabels: { role: 'db' } },
-          ingress: [{ from: [{ namespaceSelector: { matchLabels: { group: 'mygroup' } } }] }]
-        )
+        build(:scan_execution_policy, name: 'Run DAST in every pipeline')
       end
 
       it { is_expected.to match(base_data) }