feat(storybook): restructure storybook component hierarchy

src/keycloak-theme/pages/Error.stories.tsx

@@ -6,7 +6,7 @@ const bind = template('error.ftl');
 
 export default {
     kind: 'Page',
-    title: 'Theme/Pages/Error',
+    title: 'Theme/Pages/Notification/Error',
     component: KcApp,
     parameters: {
         layout: 'fullscreen',

src/keycloak-theme/pages/IdpReviewUserProfile.stories.tsx

@@ -4,7 +4,7 @@ import {template} from '../../../.storybook/util'
 
 export default {
     kind: 'Page',
-    title: 'Theme/Pages/Login/Review IDP User Profile',
+    title: 'Theme/Pages/IDP/Review User Profile',
     component: KcApp,
     parameters: {
         layout: 'fullscreen',

src/keycloak-theme/pages/Info.stories.tsx

@@ -4,7 +4,7 @@ import {template} from '../../../.storybook/util'
 
 export default {
     kind: 'Page',
-    title: 'Theme/Pages/Info',
+    title: 'Theme/Pages/Notification/Info',
     component: KcApp,
     parameters: {
         layout: 'fullscreen',