Web Content Image Field has no extension check

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 DXP SP7, 7.0.5 CE GA6, 7.0.0 DXP FP45, 7.0.X, Master
• Fix Version/s: 7.1.0 Beta 1, 7.1.0 Beta 3, 7.1.X, Master
• Component/s: Dynamic Data Lists, Dynamic Data Mapping
• Labels:
  • forms_mission_4
  • profiq
• Story Points: 1
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/58626

Steps:

1. Go to YourPage > Content > Web Content
2. Create or edit existing Structure
3. Add Image field to the Structure
4. Create new Web Content with your structure
5. Upload a file into Image field via Documents and Media tab

Actual result:  Image extension is not checked and web content is created. (can be *.txt)
Expected:  Image extension is and file can't be uploaded.
Note: If you upload an image via Web Content Images, extension is checked.

**Reproducible:

• CentOS, MySQL 5.7, Tomcat 9, Chrome, FF ESR
• 7.1.x Master git #baa9c28bf900640c0cf870f2596c33811efac281
• 7.0.5 CE GA6

Priority: L4 + S3 = 4