Re-evaluate a condition with one scope value replaced, such as
$fields.approved set to true. The original params are unchanged.
Assignment follows withAssignment: missing containers are created,
and negative indices count from the end of an existing array.
Re-evaluate a condition with one scope value replaced, such as
$fields.approvedset totrue. The original params are unchanged. Assignment follows withAssignment: missing containers are created, and negative indices count from the end of an existing array.