6685 - Fix for Editor Background Color

[tjamesallen15]

Explain the details for making this change. What existing problem does the pull request solve?

This PR will fix bug in editor where background color is not rendering properly

Related github/jira issue (required): Closes https://github.com/infor-design/enterprise/issues/6685

Steps necessary to review your pull request (required):

• Pull this branch, build, and run the app
• Go to http://localhost:4000/components/editor/example-with-backcolor.html
• Select some text and hit backcolor and pick a color
• Deselect the highlighted text

Included in this Pull Request:

• [ ] An e2e or functional test for the bug or feature.
• [x] A note to the change log.