Deleting image from Document Library does not remove image used in other assets

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 Alpha 2
• Fix Version/s: 7.0.0 Beta 5
• Component/s: Dynamic Data Mapping, WCM
• Labels:
  • BackEnd
  • EXP7
• Fix Priority: 3
• Sprint: Sprint 5: Nov, 23 - Dec, 04, Sprint 09: Jan, 18 - Jan, 29
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/34901

Steps to reproduce:

1. Navigate to DM
2. Add image
3. Navigate to Web Content
4. Add a structure with an image field
5. Add a template using the structure
6. Add a web content using the structure
   • Add the uploaded image
7. Add a wcd portlet to a page
8. Select the created wc to display
9. Assert image displays
10. Delete image from DM
11. View entry in WCD

Expected result: Image is no longer present in WC article
Actual result: Image continues to display in the WC article

Reproduced on:
Tomcat 7.0.62 + MySQL 5.6
Portal Master GIT ID: 0f85e0437c9022756cdc1b756b2520907d0f6cd6.