fix (WP 6.6): icon list on paste

[mxkae]

fixes #3224

[github-actions]

🤖 Pull request artifacts

file	commit
pr3230-stackable-3230-merge.zip	71fe17c

[github-actions]

Try this Pull Request in the WordPress playground: https://playground.wordpress.net/?mode=seamless#{"landingPage":"/wp-admin/post-new.php?post_type=page","preferredVersions":{"php":"latest","wp":"latest"},"steps":[{"step":"login","username":"admin","password":"password"},{"step":"installPlugin","pluginZipFile":{"resource":"url","url":"https://github.com/raw/gambitph/Stackable/artifacts/pr3230-stackable-3230-merge.zip"}}]}

[andeng1106]

@mxkae Able to paste native list items and articles online now (fixed) but unable to paste from document files. Here's an example when I tried pasting from Google Docs:

Screen.Recording.2024-07-03.at.1.mp4

[andeng1106]

@mxkae Issue still happens on WP 6.6. Currently updated to RC3.

Screen.Recording.2024-07-11.at.9.mp4