[Guided onboarding] Config updates for the Security guide (#144844)

## Summary
Fixes #138644

This PR adds a manual completion to the Alerts and fixes the link to
redirect the user to Dashboards as the end of the guide.

Screenshot 
<img width="356" alt="Screenshot 2022-11-08 at 20 39 52"
src="https://user-images.githubusercontent.com/6585477/200661086-4724c584-a215-45a7-832e-961bed99600e.png">

Screencast


https://user-images.githubusercontent.com/6585477/200661156-241d2ab3-47a0-465a-a59d-17d72ca53ccb.mov

Co-authored-by: Kelly Murphy <kelly.murphy@elastic.co>

src/plugins/guided_onboarding/public/constants/guides_config/security.ts

@@ -15,8 +15,8 @@ export const securityConfig: GuideConfig = {
   }),
   guideName: 'Security',
   completedGuideRedirectLocation: {
-    appID: 'security',
-    path: '/app/security/dashboards',
+    appID: 'securitySolutionUI',
+    path: '/dashboards',
   },
   description: i18n.translate('guidedOnboarding.securityGuide.description', {
     defaultMessage: `We'll help you get set up quickly, using Elastic's out-of-the-box integrations.`,
@@ -87,6 +87,17 @@ export const securityConfig: GuideConfig = {
         appID: 'securitySolutionUI',
         path: '/alerts',
       },
+      manualCompletion: {
+        title: i18n.translate('guidedOnboarding.securityGuide.alertsStep.manualCompletion.title', {
+          defaultMessage: 'Continue with the tour',
+        }),
+        description: i18n.translate(
+          'guidedOnboarding.securityGuide.alertsStep.manualCompletion.description',
+          {
+            defaultMessage: `After you've explored the case you created, click here to continue.`,
+          }
+        ),
+      },
     },
   ],
 };