Enable Collapse/Expand in Custom Roadmaps. Merged

When viewing lot of data from a high level on Initiatives and down to the features within the Epic - prevents us from using custom roadmap with senior stakeholders. Custom roadmaps helps us tailor the report but navigating through the data becomes cumbersome.

Unable to utilize reports as we are able to with other systems we have used that enables grouping and drill down as per need.

For custom report where grouping is used, enable expand/collapse functionality to help users to navigate large sets of data easily.