[Cloud Security] do not show confirmation modal when updating integration from agentless policy (#176154)

## Summary

Skipping confirmation modal when saving integration with agentless
policy, the same way as in
- https://github.com/elastic/kibana/pull/174741

but for Edit Integration which was missed in the PR mentioned above

Closes:
- https://github.com/elastic/kibana/issues/174600


### Checklist

- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/edit_package_policy_page/index.test.tsx

@@ -13,6 +13,7 @@ import { createFleetTestRendererMock } from '../../../../../mock';
 
 import {
   useUIExtension,
+  sendGetAgentStatus,
   sendGetOneAgentPolicy,
   sendGetOnePackagePolicy,
   sendUpgradePackagePolicyDryRun,
@@ -176,6 +177,11 @@ const mockPackagePolicyNewVersion = {
   package: { name: 'nginx', title: 'Nginx', version: '1.4.0' },
 };
 
+const mockPackagePolicyAgentless = {
+  ...mockPackagePolicy,
+  policy_id: 'agentless',
+};
+
 const TestComponent = async () => {
   return {
     default: () => {
@@ -416,4 +422,36 @@ describe('edit package policy page', () => {
       expect(renderResult.getByText('Review field conflicts')).toBeInTheDocument();
     });
   });
+
+  it('should not show confirmation modal if package is on agentless policy', async () => {
+    (sendGetAgentStatus as MockFn).mockResolvedValue({ data: { results: { total: 1 } } });
+    (useGetOnePackagePolicy as MockFn).mockReturnValue({
+      data: {
+        item: mockPackagePolicyAgentless,
+      },
+    });
+    (sendGetOnePackagePolicy as MockFn).mockResolvedValue({
+      data: {
+        item: mockPackagePolicyAgentless,
+      },
+    });
+    (sendGetOneAgentPolicy as MockFn).mockResolvedValue({
+      data: { item: { id: 'agentless', name: 'Agentless policy', namespace: 'default' } },
+    });
+
+    render();
+
+    await waitFor(() => {
+      expect(renderResult.getByText('Collect logs from Nginx instances')).toBeInTheDocument();
+    });
+    act(() => {
+      fireEvent.click(renderResult.getByRole('switch'));
+    });
+
+    await act(async () => {
+      fireEvent.click(renderResult.getByText('Save integration').closest('button')!);
+    });
+
+    expect(sendUpdatePackagePolicy).toHaveBeenCalled();
+  });
 });

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/edit_package_policy_page/index.tsx

@@ -46,6 +46,7 @@ import {
   StepConfigurePackagePolicy,
   StepDefinePackagePolicy,
 } from '../create_package_policy_page/components';
+import { AGENTLESS_POLICY_ID } from '../create_package_policy_page/single_page_layout/hooks/setup_technology';
 
 import { HIDDEN_API_REFERENCE_PACKAGES } from '../../../../../../common/constants';
 import type { PackagePolicyEditExtensionComponentProps } from '../../../types';
@@ -187,7 +188,7 @@ export const EditPackagePolicyForm = memo<{
       setFormState('INVALID');
       return;
     }
-    if (agentCount !== 0 && formState !== 'CONFIRM') {
+    if (agentCount !== 0 && policyId !== AGENTLESS_POLICY_ID && formState !== 'CONFIRM') {
       setFormState('CONFIRM');
       return;
     }