Standardising Page Builders - Elementor

[JarrydLong]

All Submissions:

• Have you followed the Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Standardises how our page builder settings look, using the same controls throughout.

How to test the changes in this Pull Request:

1. Create a page or post and edit in Elementor. Add an element
2. Click on the Advanced tab and then on the Paid Memberships Pro tab
3. Adjust settings as needed

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you successfully run tests with your changes locally?

[andrewlimaza]

'textdomain' instances need to be updated to 'paid-memberships-pro'

[andrewlimaza]

We also need to add backwards compatibility to this logic. The data is available but lost when upgrading to this script because of the new settings added, once changing to "Specific Membership Levels" it shows - we can automate this by checking for the values for backwards compatibility. It does need a bit more thought.