Vue 3 renders an extra `div` parent element between the
`.gl-chart-toolip` and the popover itself, due to how it mounts root
components/applications, requiring this small CSS change.

fix(GlChartTooltip): Render correctly in Vue 3

See merge request gitlab-org/gitlab-ui!4924



Merged-by: Jose Ivan Vargas <jvargas@gitlab.com>
Approved-by: Jose Ivan Vargas <jvargas@gitlab.com>
Co-authored-by: Mark Florian <mflorian@gitlab.com>

## [107.0.1](gitlab-org/gitlab-ui@v107.0.0...v107.0.1) (2025-01-15)

### Bug Fixes

* **GlChartTooltip:** Render correctly in Vue 3 ([50203aa2](gitlab-org/gitlab-ui@50203aa2))