Possible bug - Yes/No field in Single Value Tile

[Dawid]

When I add a dimension alongside the Yes/No boolean value, we see one row:

If I remove the dimension, leaving filters untouched, there are two rows all of the sudden:

The SQL behind the query returns one result correctly, which means this is between SQL layer and data result tab layer.

Workaround for the time being: add other dimension and hide it