Searching for a Chinese Category cannot returns associated asset

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.0 Alpha 2, 7.0.X, 7.1.X, Master
• Fix Version/s: Master
• Component/s: Search Infrastructure, Search Infrastructure > Elasticsearch Connector
• Labels:
  • 7.0.x-only
  • Localization-CN
  • QA-V
  • ee-7.0.x-only
  • search-line-of-work-assigned
• Story Points: 6
• Fix Priority: 3

Steps to reproduce:

1. Use the following command and create a database:

   create database lportal default character set utf8;

2. Start a bundle
3. Add a Vocabulary and a Category to it
   • Provide a Chinese translation for the Category name (example:你好)
4. Add a WC article
   • Attach the Category to this article
   • Publish
5. On the Welcome page, search for the Category by its English name
6. Add the Language portlet to the Welcome page
7. Change language to Chinese
8. Enter"你好" in search filed, then search

Expected Result:
Returns associated asset

Actual Result:
Returns empty