After changing the site default language, the values are not copied over to translation languages when editing the old web content

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.X
• Fix Version/s: 7.0.0 DXP FP64, 7.0.X
• Component/s: Portal Services > Localization, Web Content > Web Content Administration
• Labels:
  • ee-ts
  • liferay-dxp-70-sp10
  • liferay-fixpack-de-64-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Story Points: 0.25
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay/liferay-portal-ee/pull/11076

Description

After changing the site default language, the values are not copied over to the new default language when editing a web content which was created using the original language structure.

Reproduction Steps

1. Add a new site and the default language of this site should be English.
2. Add a structure with text field and a template to display this structure. The default language of this structure should be English.
3. Change the default language of this site to French.
4. Add a web content using the structure, and put some values in the text field. The default language of this web content should be French.
5. Change the default language of this site to Spanish.
6. Try editing the web content in Step#4, changing the locale of the Summary to Spanish.

Expected Result: The values of the web content are copied over to the new language, including Title, Summary and the Text field.
Actual Result: The values of the web content are not copied over to the new language, including Title, Summary and the Text field.