Compatible with Elementor

[rizaardiyanto1412]

Currently the checklist requirement can be bypass if the user using Elementor. It should be good if our checklist also affecting Elementor

Original request: https://secure.helpscout.net/conversation/2391821178/211662?folderId=6932143

[olatechpro]

Closing this for #504

[olatechpro]

@rizaardiyanto1412 @stevejburge I re-opened this back as i realised it's not same as the closed issue.

When editing with elementor, here's the UI. So, how do you think the checklists will work?

[stevejburge]

@olatechpro It never will. We can ignore Elementor