Checkbox with localStorage, trigger existing elements

Added a commit to include my suggestion for updated labels, as originally raised in 🐛 "Toggle Preview" button isn't a toggle Closed: duplicate

Does this solution also have issues loading for new content?

This approach works for both new and existing content, based on my testing.

Pushed a new commit, with a few improvements:

• I noticed that the toggle would lose focus when changed. The toggle now uses async / await when calling to restore focus to the checkbox. Currently this works for closing but more work is needed for opening the dialog.
• I was also able to merge in the work for ✨ Scroll position is lost when refreshing the preview Fixed , though I only set the scrollPosition value just before calling a refresh, for better performance
• Changed the event listener for the toggle to use the 'change' event instead of 'click'

Code is looking good. As we discussed on Slack, let's pull the scroll position part out and then it'll be RTBC. You can contribute that work to ✨ Scroll position is lost when refreshing the preview Fixed to keep that one moving. We'll get that piece in individually.

Updated to remove the scroll position code.

Looks good. Great improvement!

Automatically closed - issue fixed for 2 weeks with no activity.