Fix incompatible notice in editor due missing style properties

[wjrosa]

Fixes #3356 Related https://github.com/woocommerce/woocommerce-gateway-stripe/pull/3516

Changes proposed in this Pull Request:

This is an additional fix for the incompatibility notice issue being displayed on our editor. The original PR should fix the root cause, but this PR adds support for styles as an additional layer.

Testing instructions

• Checkout and build this branch on your test environment (fix/incompatible-notice-in-editor)

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• [ ] Covered with tests (or have a good reason not to test in description ☝️)
• [x] Added changelog entry in both changelog.txt and readme.txt (or does not apply)
• [ ] Tested on mobile (or does not apply)

Post merge

• [ ] Added testing instructions to the Release Testing Instructions wiki page (or does not apply)
• [ ] Added the needs docs label (or does not apply)
• [ ] Included this PR in the Release Thread scope (or does not apply)