Cornerstone - The WordPress Page Builder 7.5.11

Bugfix: Drag and drop was broken due to new toggle state detection code

• Updated: Column default z-index is 1 to remove issues with background content appearing behind the background
• Bugfix: Hotfix to remove error when max wasn't registered

Bugfix: Hotfix release to revert the background upper layer z-index change. We will be creating a new layer to satisfy the request of having a layer to cover content like a dark seethru color over your entire content