Fixed pipelines tabs not showing arrows

Some inner page tabs where not scrollable like the top nav & this caused
them to break onto new lines mobile.

This pages include:

- dashboard/projects
- project -> merge_requests
- search
- project -> milestones
- project -> pipelines

Closes #18853

This reverts merge request !9338

hover animations for award buttons, buttons, dropdowns, rows in file list, links, navigation tabs, labels

Fix spacing between nav control elements
Wrap navigation text on Tags list page