"Submit for Publication" doesn't disappear after clicking the submit button

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.2.X, Master
• Component/s: Content Publishing > Staging
• Labels:
  • 7.2-known-issues
  • 7.2-should
  • QA-AUTOMATION
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Story Points: 3
• Fix Priority: 3
• Sprint: Staging 01 - Talisker
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/73592
• Bug Type: Regression Bug
• QA Test Name:
  • LocalFile.Staging#StagingKaleoWebContentLinkingUnapprovedContent
• QA Test Score: 3

Steps to Reproduce:

1. Create a new site
2. Add a page to the site
3. On the new site, enable local staging with page versioning
4. Go to Control Panel > Configuration > Workflow
5. Go to Schemes tab
6. Enable "Single Approver" for Page Revision
7. Save
8. Go to staged version of the site
9. Add a widget
10. Click "Submit for Publication"

Expected Result:
"Submit for Publication" should disappear after clicking it.

Actual Result:
"Submit for Publication" still display on the page.