The picture tag gets removed from the adaptive image when using alt attribute

Issue

• Editing the published web content by adding the alt attribute in the source code of the image, the picture tag gets removed from the adaptive image.
• Steps to reproduce:
  • Create dummy page
  • Create web content:
    • Provide a title name
    • Insert an image in the body of the content
    • Publish it.
  • Add the above-published content on the page using the web content display widget
  • Inspect the image 
  • Observed behavior: It shows the adaptive media image [<picture> tag gets created for the inserted image in the content]
  • Edit the web content and add the attribute alt="" in the source code of the image and publish it
  • Inspect the image
  • Observed behavior: <picture> tag gets removed and shows with <img> tag. Also, an error has been thrown in UI and in the server log after publishing the edited content.

Environment

• Liferay DXP 7.2

Resolution

• The way how this field operates is intended by design according to the LPS-99216 fix in our records. 
• The LPS-127048 has been raised as a feature request for similar functionality. If you are looking for this feature, I would encourage your team to Vote for this ticket and Watch the feature request. 

Additional Information

• Requesting a New Feature or Feature Improvement
• For custom implementation ideas, check this article Adaptive Media and reach out to the developer team or our GS team for further assistance.