Percentage width set on an image is lost on saving

[JFox23]

Describe the bug
After inserting an image and resizing it to 50% width, the style attribute on the component div is removed by core.cleanHTML().

To Reproduce
Steps to reproduce the behavior:

1. Insert an image
2. Use the image plugin controls to resize it to 50%
3. Click on the save button
4. Check textarea content for style attribute on the image component div (which is removed)

Expected behavior
I expect the style="width: 50%" attribute to remain intact. Or else loading the saved content in an editor instance will present an image with 100% width.

Desktop (please complete the following information):

• OS: Mac OS X Ventura 13.6.1
• Newest version of Firefox, Chroms or Safari (it happens in all browsers)

Additional context
I will provide a Pull request that adds the width attribute to _cleanStyleRegExp.format.