Update the k8s card and registration flow based on feedback

[cw75]

Describe your changes and why you are making these changes

@kenxu95 I think we need to rebase backend-eng-2864 with main first. Loom demo here: https://www.loom.com/share/ba510a359b0141579dd5acde5333ee5c

Also adds the ECR resource details card.

Related issue number (if any)

Loom demo (if any)

Checklist before requesting a review

• [ ] I have created a descriptive PR title. The PR title should complete the sentence "This PR...".
• [ ] I have performed a self-review of my code.
• [ ] I have included a small demo of the changes. For the UI, this would be a screenshot or a Loom video.
• [ ] If this is a new feature, I have added unit tests and integration tests.
• [ ] I have run the integration tests locally and they are passing.
• [ ] I have run the linter script locally (See python3 scripts/run_linters.py -h for usage).
• [ ] All features on the UI continue to work correctly.
• [ ] Added one of the following CI labels:
  • run_integration_test: Runs integration tests
  • skip_integration_test: Skips integration tests (Should be used when changes are ONLY documentation/UI)

[agiron123]

It's also worth noting that this PR contains a fix for ENG-2887, which redirects users to the Resources list page after deleting a resource, instead of the old "Integrations" page.