feat: shared inspector controls

[mxkae]

fixes #2711

[github-actions]

🤖 Pull request artifacts

file	commit
pr3201-stackable-3201-merge.zip	b9c6f66

[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/pr3201-stackable-3201-merge.zip"}}]}

[andeng1106]

@mxkae Blocker: Conflict files. Will return this to Change Requested.