No success message when publishing or saving draft of web content when editing the web content through its display page

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Page Templates > Display Page Templates
• Labels: None
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/70877

Reproduced on:
Tomcat 9.0.10 + MySQL 5.7. Portal master GIT ID: 19bbbf1ad18eff190403f1c452b1ece9eadf2ddd.

Steps to reproduce:

1. Create a display page and map it to web content
2. Create a web content article and select the display page
3. Publish the web content article
4. View the web content article through the display page
5. Click the pencil icon > edit web content
6. Publish or save the web content as draft

Expected result:
There is a success message.

Actual result:
There is no success message.