The image resolution isn't applied to mapped background image of Banner Center and Container

• Type: Technical Task
• Status: Closed
• Priority: Major
• Resolution: Completed
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Pages > Page Editor
• Labels:
  • QA-F
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/3234

Step to reproduce:

1. Add a page based on Blank
2. Add a Container to page
3. Click the body of Container
4. Select Mapping in Image Source field
5. Click the plus icon of Content field > Documents and Media tab > Select File
6. Upload an image with greater than 2000px width > Add
7. Select File URL in Field
8. Inspect the Container element
9. Assert the backround-image: url contains /documents/
10. Change to the Tablet viewport
11. Inspect the Container element

Expected Results:
The backround-image: url should contain /Preview-1000x0/

Actual Results:
The backround-image: url still contains /documents/

Reproduced on:
Tomcat 9.0.37 + MySQL 5.7. Portal master GIT ID: 7e19bd7f2a1a594ac722fa2401d51c2d0635b46b.