[CT-3523] [regression] missing details for exposures in dbt docs page

[graciegoheen]

Describe the bug

We seem to have removed owner, maturity and other fields, for Exposures in the docs, under the Details section, in version 1.6 and above.

Steps To Reproduce

• create an exposure in a dbt project

exposures:

  - name: weekly_jaffle_metrics
    label: Jaffles by the Week
    type: dashboard
    maturity: high
    url: https://bi.tool/dashboards/1
    description: >
      Did someone say "exponential growth"?

    depends_on:
      - ref('my_model')

    owner:
      name: Callum McData
      email: data@jaffleshop.com

• generate docs dbt docs generate && dbt docs serve
• open the generated docs site and navigate to the page for the exposure

Expected behavior

In 1.6 and 1.7, we only see the tags field.

In 1.5, we have the full details displayed.

Additional context

Add any other context about the problem here.

[github-actions]

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