Refine scoped label tooltip to better display label title
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### Problem to solve
Users often hover over truncated titles to expecting to view the title in full. When a user hovers over a truncated scoped label- the tooltip always displays `Scoped label` instead.

### User experience goal
Users can view the titles of truncated labels.
### Proposal
Replace the `Scoped label` title with the actual title of the label.

issue