First character of new line is included in hyperlink in ckeditor's bbcode

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE
• Fix Version/s: 6.2.4 CE GA5, 6.2.X EE
• Component/s: Frontend Infrastructure, Frontend Infrastructure > WYSIWYG
• Labels:
  • 6.2.x-only
  • ckeditor
  • ee-ts
  • liferay-fixpack-portal-59-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 6
• Fix Priority: 2
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/10428

Issue
First character of new line is included in hyperlink in ckeditor's bbcode. This issue is fixed in ckeditor of ee-4.4.X. So master is not affected.

Steps to reproduce

1. Go to Control Panel > Contents > Message Boards
2. Create a new thread
3. Type 123 and make it a hyperlink
4. Click at the end of the 123 link to move the cursor there
5. Type 456
6. 456 will be outside the hyperlink, displayed black
7. Ctrl+Z to remove the 456
8. Press Enter key to add a new line
9. Type 456

Actual results
4 will be inside the hyperlink, 56 outside

[url=123]123
4[/url]56

Expected results
new line will be outside hyperlink