Rules using "is not empty" doesn't work when applied to Rich Text field

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: CKEditor
• Labels:
  • 7.4-known-issues
  • liferay-ga10-ce-743
  • liferay-ga11-ce-743
  • liferay-ga12-ce-743
  • liferay-ga6-ce-743
  • liferay-ga7-ce-743
  • liferay-ga8-ce-743
  • liferay-ga9-ce-743
• Fix Priority: 3
• Bug Type: Regression Bug

 Description

When the user tries to use a "is not empty" rule on the Rich Text field type, it doesn't seems to work.

 Steps to Reproduce

1. Go to Content & Data > Forms > New Form;
2. Add a Rich Text field;
3. Add another field (e.g.: Numeric);
4. Go to the Rich Text predefined value;
5. Type something to fill the predefined value (e.g.: "abcde");
6. Go to the Rule tab and create a rule: "If Rich Text is not empty, show Numeric);
7. Publish and open the form;
8. Delete the predefined value of the Rich Text;
9. Observe.

 Expected Result

The Numeric field disappears from the form.

 Actual Result

The Numeric field still being showed on the form.

 Evidence 1: richTextNotEmptyRule.webm

Reproduced In
master: 80f6880aea0dbf6a978da33323ed9b8d388d0bb0