LinkImage is not saved if switched to target=_blank

[airstarh]

📝 Steps

1 Insert image from other site through copy-paste.
2. Add link on it and set switcher to open link in new tab (target=_blank)
3. Save link

✔️ Expected result

After content is saved - the clicked image should be opened in new window (tab)

❌ Actual result

Target=_blank is not set. Image-link is opened in the same window (tab).

📃 Other details

• Browser: Chrome latest
• OS: Windows 10 latest
• CKEditor version: 20.0.0
• Installed CKEditor plugins: LinkImage latest

[Reinmar]

Thank you! We will try to squeeze it into the current iteration.