feat: add ability to cancel edits to video admin fields

[levi-zustiak]

Description

Issue

It was requested to add the ability to reset forms when canceling edits to the video admin forms

Solution

• Added CancelButton component, stories, and tests
• Added cancel button to video admin forms and reset forms on click
• Updated relevant tests to include the cancel button functionality

[linear[bot]]

ENG-1564 Edits (when you cancel), still look like it applied until you refresh or go to another page and come back)

[github-actions[bot]]

The latest updates on your projects.

Name	Status	Preview	Updated (UTC)
watch	✅ Ready	watch preview	Wed Jan 8 07:29:36 NZDT 2025

[github-actions[bot]]

The latest updates on your projects.

Name	Status	Preview	Updated (UTC)
videos-admin	✅ Ready	videos-admin preview	Wed Jan 8 07:29:54 NZDT 2025

[github-actions[bot]]

The latest updates on your projects.

Name	Status	Preview	Updated (UTC)
journeys-admin	✅ Ready	journeys-admin preview	Wed Jan 8 07:30:23 NZDT 2025

[github-actions[bot]]

The latest updates on your projects.

Name	Status	Preview	Updated (UTC)
journeys	✅ Ready	journeys preview	Wed Jan 8 07:30:55 NZDT 2025