In Modern UX (MUX) when using Idea Financials the  cost plan is not taking Periods from the Idea Start and finish

STEPS TO REPRODUCE: 

 1. In MUX go to Ideas
 2. Click on Grid
 3  Create a new idea.  Make sure you add Department and Location so it will be financially enabled
    - Note Start and Finish Dates default to current date.
 4. Click on the idea to open the Details
 5. Change to July 1, 2020 and Aug 31, 2020
 6. Click on Financials Tab
 7. Click + to add a new line
    
    
 
Expected Results: The Start and Finish periods will reflect what was set on details

Actual Results: The Start and Finish show what was originally entered on the grid.

Reported as DE55654.

Currently under review

Release : 15.8

Component : CA PPM SAAS FINANCIAL MANAGEMENT

Workaround:

Enter the correct idea start and finish dates initially on the grid page when you create the idea.

If you do enter dates on the idea details go back to the grid and then back into Idea Financials.

The dates will be more correct, however the start date defaults to the prior period than the idea start date.