Missing Japanese translations under Mapping Field drop-down menu in Display Page Template

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Page Templates > Display Page Templates
• Labels: None
• Fix Priority: 2
• Epic Link: 7.2 Training Exploratory Testing in Japanese

Steps:

1. Create Web Structure > Name it > Drag-drop all fields > Save
2. Add Display Page Template > Name it > Save
3. Click Mapping tab on the right
4. Select Content Type: Web Content Article > Select Sub-type > Save
5. Drag-and-drop a Banner Cover
6. Hover over Title or Sub-title > Click Map
7. Assert correct translations

Expected Results:
All selections in Mapping Field drop-down menu translated

Actual Results:
Text Box, text, date, decimal, number, integer are not translated

Environment:
Tomcat 9.0.1 + MySQL 5.7 + Mozilla Firefox 66.0.3
Commit: b63b920db5a397d63c9d9357eba073e1590c4367
Base Branch Commit: 3ad9ee1a8265f761e6126361fbe65ce2689b9b0e