Ability to have a one to many relationship between strategic imperatives, themes and portfolio epics

Issue Summary

Within the current hierarchy structure in Jira Align there is only a 1-1 relationship with those fields but how our strategy is align our work items to multiple strategic imperatives and themes

For example: one portfolio epic may support multiple themes

Steps to Reproduce

1. Open an Epic
2. Select a value in the 'Theme' field

1.  Open a Theme
2. Select a value in the 'Strategic imperatives' field

Expected Results

To have the possibility to associate multiple 'Theme' to an epic

To have the possibility to associate multiple 'Strategic imperatives' to a 'Theme' 

Actual Results

Only 1  'Theme' can be associated with an epic

Only 1  'Strategic imperatives' can be associated with a  'Theme'

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available