resolve build errors

Author: Orin-Thomas

learn-pr/advocates/configure-entra-external-native-auth/4-prepare-app-native-authentication.yml

@@ -8,7 +8,7 @@ metadata:
   author: S2FrdQ
   ms.author: joylynnkirui
   ms.topic: unit
-  zone_pivot_groups: microsoft-entra-external-identities-native-auth-platforms
+  zone_pivot_groups: mobile-os-android-ios
 durationInMinutes: 8
 content: |
   [!include[](includes/4-prepare-app-native-authentication.md)]

learn-pr/advocates/configure-entra-external-native-auth/5-add-mobile-app-native-authentication.yml

@@ -8,7 +8,7 @@ metadata:
   author: S2FrdQ
   ms.author: joylynnkirui
   ms.topic: unit
-  zone_pivot_groups: microsoft-entra-external-identities-native-auth-platforms
+  zone_pivot_groups: mobile-os-android-ios
 durationInMinutes: 17
 content: |
   [!include[](includes/5-add-mobile-app-native-authentication.md)]

learn-pr/advocates/configure-entra-external-native-auth/6-add-credential-mobile-app-using-native-authentication.yml

@@ -8,7 +8,7 @@ metadata:
   author: S2FrdQ
   ms.author: joylynnkirui
   ms.topic: unit
-  zone_pivot_groups: microsoft-entra-external-identities-native-auth-platforms
+  zone_pivot_groups: mobile-os-android-ios
 durationInMinutes: 16
 content: |
   [!include[](includes/6-add-credential-mobile-app-using-native-authentication.md)]

learn-pr/advocates/configure-entra-external-native-auth/index.yml

@@ -33,7 +33,6 @@ units:
 - learn.configure-entra-external-native-authintroduction
 - learn.configure-entra-external-native-authcreate-external-tenant
 - learn.configure-entra-external-native-authenable-public-client-native-authentication-flows
-- learn.configure-entra-external-native-authcreate-user-flow-external-tenant
 - learn.configure-entra-external-native-authprepare-app-native-authentication
 - learn.configure-entra-external-native-authadd-mobile-app-native-authentication
 - learn.configure-entra-external-native-authadd-credential-mobile-app-using-native-authentication

learn-pr/zone-pivot-groups.yml

@@ -476,3 +476,11 @@ groups:
       title: Maven Plugin for Azure App Service
     - id: azure-cli
       title: Azure CLI
+- id: mobile-os-android-ios
+  title: Mobile Operating system
+  prompt: Choose your mobile device operating system
+  pivots:
+    - id: androd
+      title: Android (Kotlin)
+    - id: iosmacos
+      title: iOS/macOS (Swift)