Hierarchy widget rollups - Count badge + hover

Summary

In this issue, we will implement the hierarchy widget rollups for the count badge. Please see implementation details below.

• Count badge - 1a in design
• Count hover - 1a in design
• Count hover alert - 1b in design

Design resources

• 🌄 See designs here
• 🔍 View in Figma

Scope of the issue

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This issue only focuses on displaying the count badge on work item tree and the children. It does not update the rollup count on

• Removing any work item child from the tree
• Adding any work item child in the tree
• Drag and drop/reorder of the child items in the work item tree