Fix: prevent clicking of slotted content in media card

[nielslyngsoe]

When having a thumbnail or similar injected into the media card it covers the selection click area.
To prevent this I add pointer-events: none to everything slotted into the default slot.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Chore (minor updates related to the tooling or maintenance of the repository, does not impact compiled assets)

Motivation and context

How to test?

Screenshots (if appropriate)

Checklist

• If my change requires a change to the documentation, I have updated the documentation in this pull request.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[github-actions]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://delightful-beach-055ecb503-969.westeurope.azurestaticapps.net

[github-actions]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://delightful-beach-055ecb503-969.westeurope.azurestaticapps.net

[github-actions]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://delightful-beach-055ecb503-969.westeurope.azurestaticapps.net