Improve Yaml view readability

[GenosseOtt]

Context

We want to empower our end users to become more familiar with YAML nature of the K8s resources they manage.
Lets make the YAML experience as simple as possible

Acceptance Criteria

• Hide redudant fields: generation, uid, kubectl.kubernetes.io/last-applied-configuration (behind a toggle, auto-selected)
• If user clicks copy button, contain the fields
• Remove download button (hide for now)

Out of scope

• Adjust color scheme