fix: allowing hero videos to be inline on news pages

[stephiescastle]

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Description

Fixes a regression that occurred during the EDU update. On WWW news stories, hero videos can be full width or inline. Currently, they are being forced to full-width:

• Live link (full bleed): https://www.jpl.nasa.gov/news/testing-proves-its-worth-with-successful-mars-parachute-deployment/
• Wayback machine link (inline): https://web.archive.org/web/20230815021436/https://www.jpl.nasa.gov/news/testing-proves-its-worth-with-successful-mars-parachute-deployment/

Instructions to test

1. make vue-storybook
2. View the news story: http://localhost:6006/?path=/story/templates-pagenewsdetail--hero-video
3. View the news story with video inlined: http://localhost:6006/?path=/story/templates-pagenewsdetail--hero-video&args=data.heroPosition:inline

Tested in the following environments/browsers:

Operating System

• macOS
• iOS
• iPadOS
• Windows

Browser

• Chrome
• Firefox ESR
• Firefox
• Safari
• Edge