Add user meta options to Display Conditions

Describe the Problem

Currently I cannot set display conditions based on the value of a custom user meta.

Propose a Solution

Add a "User Meta" option within the *User* group found in the first select field in the Display Conditions popup.

Additional Context

Currently we can set conditions by login status, role, and registration date. But that's not enough, we need total control to set any type of condition.

Agreement

• I confirm I have read and followed all the guidelines and instructions outlined in the Feature Request form.
• I agree that my discussion may be closed without further action if it doesn't meet all the requirements outlined in the Feature Request form.