DDM repeated fields have empty values upon switching languages and saving

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.X, Master
• Fix Version/s: 7.1.10 DXP FP15, 7.1.X, 7.2.10 DXP FP2, 7.2.10.1 DXP SP1, 7.2.1 CE GA2, 7.2.X, 7.3.10 DXP GA1, Master
• Component/s: Dynamic Data Mapping
• Labels:
  • liferay-dxp-72-sp1
  • liferay-fixpack-dxp-15-7110
  • liferay-fixpack-dxp-2-7210
• Branch Version/s:
  7.2.x, 7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Sprint: Forms_7.3_7
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/78232

1. Add a Web Content Structure with a repeatable text field
2. Edit a new web content using the structure
3. Select  duplicating the field
4. Fill text1 to Content, text2 to Content2
5. Change the locale to es-ES, change text1 to Contenido, text2 to Contenido 2
6. Publish
7. Go to edit the article
8. Add a repeatable text field(now should have 3 text fields)
9. Fill text1 to Content, text2 to Content 2, text3 to Content 3
10. Change the locale to es-ES. If actual result does not appear, switch between en-US and es-ES once again.

Expect Result:
en-us

Text1	Text2	Text3
Content	Content 2	Content 3

es-ES

Text1	Text2	Text3
Contenido	Content 2	Contenido 2

Actual Result:
en-us

Text1	Text2	Text3
Content	Content 2	Content 3

es-ES

Text1	Text2	Text3
Contenido	empty	Contenido 2