Blog entry fails to publish upon first click when using CKEditor

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.X EE, Master
• Fix Version/s: 7.0.0 DXP FP16, 7.0.3 CE GA4, 7.0.0 DXP SP4, 7.0.X EE, 7.1.X, Master
• Component/s: Blogs, ~ [Archived] Collaboration
• Labels:
  • QA-AUTOMATION
  • front-end
  • liferay-digital-enterprise-70-sp4
  • liferay-fixpack-de-16-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Sprint: Collab 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/48803
• QA Test Name:
  • CPBlogs#CKEditorSmoke
• QA Test Score: 5

Steps to reproduce:

1. Add

    editor.wysiwyg.portal-web.docroot.html.portlet.blogs.edit_entry.jsp=ckeditor 

   to portal-ext

2. Start portal
3. Navigate to Content > Blogs
4. Click add blog entry button
5. Add a title
6. Add some content into CKEditor
7. Click publish

Expected result:
Blog entry is published.

Actual result:
Blog entry is not published. This field is required. is shown under the subtitle field. Clicking the publish button again publishes the blog entry.

Reproduced on:
Tomcat 8.0.32 + MySQL 5.6.
Portal master GIT ID: 9c083c537b017dff0e1c49d8a008fdd1b4a3026f
Portal ee-7.0.x GIT ID: 08108adcee01b5c19e79fc289aa8c00e6c1ee369