Implement a new
BooleanArrFilter component that looks and behaves like the
StringArrFilter with options (think filter for crops).
It should have 2 checkboxes when specifying
When null is allowed, it should have 3 checkboxes:
- Not provided (when checking this checkbox, the yes and no are unchecked. When clicking yes or no, this one is unchecked).
The input value for the filter is either a
The output value of this control is
boolean and it can be
[true, false]. If
notNull === false, then the filters
NULL:  is handled as in other filters.
For testing, use code in genesys-pgr/genesys-server!487