Proper handling of image styles in Image components

[timcosgrove]

Requirements

We want to properly support image styles in the front-end templates, so that CMS-specified styles render correctly on the front-end.

Acceptance criteria

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1. A decision is made and executed whether to integrate 'Image' and 'MediaImage' components
2. Handling for Drupal image styles is incorporated (including any CMS changes, if necessary)

Background & implementation details

Notes from relevant Next Build components:

// TODO: may need more handling here around crop type + image height / width. TBD.
// TODO: link has reference to all image styles whereas url narrows down based on
// cropType. Which do we want at this layer?

Implementation tasks

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1. Use this if it helps you or feel free to delete.