Steps to reproduce

1. Log in to back office.
2. Go to Content  / Tags.
3. Create two tags FOO, BAR in the tags taxonomy.
4. Edit the article Content Type and add a taxonomy entry assignment field for the tags taxonomy.
5. Create an article CT.
6. Go to Content / Tags.
7. Select one of newly created tags e.g FOO
8. Switch tab to 'Content'.
9. Click on 'Assign' button.
10. In UDW select an Article content from step 5.
11. View the article content and verify taxonomy entry assignment field type values

Actual result:

Please watch vid: https://recordit.co/qAUkar5F1P

Assigning tags through UDW not working. Tags are not assigned to the content.

Expected result:

Assigning tags through UDW works properly.