I had to create a test rollup, and like I suspected you can only do this using the Query DSL in the filter editor. Here are the steps I followed.
- Add the filter to the filter bar that says "Add filter". You have to type the value manually:
- Run this query in the last few minors (7.11 and greater, I think), you will see a more obvious error:

- Click "Edit as query DSL" and change to
terminstead of match_phrase:

