Invisible blocks in the Elementor Text Editor widget now render on the front-end

[brianhogg]

Reproduction Steps

1. Create a new Course, and use the Builder to add some lessons
2. Edit with Elementor
3. Publish and view the course

Expected Behavior

Only one copy of the default widget/blocks shows (ie. Course syllabus)

Actual Behavior

Duplicate copies of the default course content, like course syllabus and instructors, shows

Tech Notes

The WP blocks within the Text Editor widget are now rendered on the front-end. See if we can prevent our WP blocks from rendering (but not shortcodes) for a Elementor enabled course/lesson/membership.