Closes #3174. Made text area not required on az_text_background.

[mrbeiley]

Remove requirement of text area, in order to create banners of color without any text. These elements are just to add space to a page. Still allows users to add Text with Backgrounds.

Description

Closes #3174

Related issues

Closes #3174

How to test

Create Text with Background elements that include text and don't include text. Make sure both elements appear as expected and don't cause any issues.

Types of changes

Arizona Quickstart (install profile, custom modules, custom theme)

• Patch release changes
  • Bug fix
  • Accessibility, performance, or security improvement
  • Critical institutional link or brand change
  • Adding experimental module
  • Update experimental module
• Minor release changes
  • New feature
  • Breaking or visual change to existing behavior
  • Upgrade experimental module to stable
  • Enable existing module by default or database update
  • Non-critical brand change
  • New internal API or API improvement with backwards compatibility
  • Risky or disruptive cleanup to comply with coding standards
  • High-risk or disruptive change (requires upgrade path, risks regression, etc.)
• Other or unknown
  • Other or unknown

Drupal core

• Patch release changes
  • Security update
  • Patch level release (non-security bug-fix release)
  • Patch removal that's no longer necessary
• Minor release changes
  • Major or minor level update
• Other or unknown
  • Other or unknown

Drupal contrib projects

• Patch release changes
  • Security update
  • Patch or minor level update
  • Add new module
  • Patch removal that's no longer necessary
• Minor release changes
  • Major level update
• Other or unknown
  • Other or unknown

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[sanjanans]

Wonderful feature. Content admins/editor can really use them well to improve the site.

[danahertzberg]

Works! https://7b5e2985-cedf-4a13-ab91-3a35916c835d--pr-3392.probo.build/dana

[danahertzberg]

Need followup issues to potentially:

• Rename this paragraph type?
• Add help text that is more contextual
• Documentation update