Cumulative Flow Diagram - Refine Report - Column choices run out of the drop down

Summary

On the Cumulative Flow Diagram adding Columns extends the overall length of the Refine Reports report filter drop-down modal and will push the Columns choices beyond the pop-up window, with no option to scroll to the right.

Steps to Reproduce

1. Create multiple Columns in the board configuration
2. on Cumulative Flow Diagram
3. Select Refine Report dropdown

Expected Results

Ability to see all the Columns options

Actual Results

The columns values are cut off:

 

Workaround

There is no workaround for now.