Package registry detail page: Assets table adjustments

What does this MR do and why?

Package detail: Assets table adjustments:

• Emphases delete to use gl-text-red-500 as it's a destructive action
• Fix line height of table row

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Go to a package detail page, look at the Assets table (e.g. http://gdk.test:3000/flightjs/Flight/-/packages/20)

Related to #444717