Issue Description : Activity Details Disappear  After  opening  the Project Scope and schedule  

Steps to recreate the issue 
1. Navigate to  Project Management >Plan and Execute> Activity - Activity Details  - Dropdown option is available for Setup Parameters, Material and Services, Resource Planning and Monitoring 
 

2. Navigate to Project Management > Plan and Execute > Project Definition -  From project details go to Scope and schedule 
 

3 Activity Scope and Schedule > select Activity 

4. Now Navigate to  Project Management >Plan and Execute> Activity - Activity Details is not available.