Preconditions:
- Add ezkeyword fieldtype to content Image

Steps to reproduce

1. Log in to backoffice.
2. Go to content / content structure.
3. Start creating a new Image content.
4. In 'tags' input start typing tag name and press 'enter' button on the keyboard.

Actual result:

Cannot add new tag by pressing enter button, tag is not added.

Expected result:

Added tag.

Note:
Actually to add new tag user have to click somewhere on the form e.g. right next to 'tags' input.