After deleting and adding another field on a Document Type, the data does not persist on the renderer

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Data Engine
• Labels:
  • 7.4-known-issues
  • liferay-ga2-ce-741
  • raid
• Fix Priority: 4
• Git Pull Request: https://github.com/liferay-forms/liferay-portal/pull/871

Description
When user removes a field from the Document Type (which is already used on a Upload), and add a new field, then go to the Upload and inputs data on this new field, the data doesn't persists after saving and editing again. 
Please see attached video.

Steps to Reproduce

1. Go to Content & Data > Documents and Media > Document Type;
2. Create a Document Type with one Field and save;
3. Go to Document and Media;
4. Create a Document and Media based on the Document Type;
5. Fill the field;
6. Publish it;
7. Edit the Document and Media to see if the data persists;
8. Publish it and go back to the Document Type;
9. Go to edit the Document Type;
10. Delete the field and put it back on the builder;
11. Save it and go back to the Documents and Media;
12. Edit the Document and Media and fill the field;
13. Publish it and enter it again.

Expected Result
The data should persist after you delete a field and pull back again.

Actual Result
Could not fill the field. The data are lost.

Reproduced In
master: aea6bc95c9821958a32ea10fa16437a428bbb921