Runner page: Update assigned projects

What does this MR do and why?

Runner page: Update assigned projects

Updates assigned projects to use Crud and improves display of projects.

• Updates view to use Crud for Projects and Group
• Adds count and icon to Edit page Crud to be consistent

Brings it inline with recent changes to the edit view (e.g. https://gdk.test:3000/admin/runners/44/edit)

See Runner edit: Improve view of project restrictions (!185118 - merged)

Screenshots or screen recordings

Before	After
Projects
Group
Add count and icon to edit page
Reference: Edit page

How to set up and validate locally

1. Go to a runner with assigned projects, e.g. https://gdk.test:3000/admin/runners/44#/
2. Go to a runner with an assigned group, e.g. https://gdk.test:3000/admin/runners/35#/
3. Edit a runner with assigned projects, e.g. https://gdk.test:3000/admin/runners/44/edit

MR acceptance checklist

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Related to #512693 (closed)

Part of Improve Runner detail page (#521377 - closed)