fix typo and get conversations schema

Author: dan0505

descriptions/0/api.intercom.io.yaml

@@ -5174,7 +5174,7 @@ paths:
                       ai_agent:
                       ai_agent_participated: false
               schema:
-                "$ref": "#/components/schemas/paginated_response"
+                "$ref": "#/components/schemas/conversation_list"
         '401':
           description: Unauthorized
           content:
@@ -15155,7 +15155,7 @@ components:
         app_package_code:
           type: string
           nullable: true
-          example: "test-integraion"
+          example: "test-integration"
           description: The app package code if this part was created via API. null if the part was not created via API.
     conversation_part_author:
       title: Conversation part author