evaluatePath throws ClassCastException when group expression {} is used as intermediate step in a path

[85C77EF3-E4C7-4251-A987-02CB8DD42971]

The evaluatePath method casts resultSequence to List, but when a group expression {} appears as an intermediate step in a path, evaluateGroupExpression returns a LinkedHashMap.

Reproduction:

[{"category": "A", "name": "x"}, {"category": "B", "name": "y"}].{category: name}.A

Result:

java.lang.ClassCastException: class java.util.LinkedHashMap cannot be cast to class java.util.List
 at com.dashjoin.jsonata.Jsonata.evaluatePath(Jsonata.java:273)
 at com.dashjoin.jsonata.Jsonata._evaluate(Jsonata.java:152)
 at com.dashjoin.jsonata.Jsonata.evaluate(Jsonata.java:131)

Workaround: Assign the group result to a variable first:

( $grouped := [{"category": "A", "name": "x"}, {"category": "B", "name": "y"}].{category: name}; $grouped.A )

[85C77EF3-E4C7-4251-A987-02CB8DD42971]

Same ClassCastException at evaluatePath also occurs when mapping with $merge over a single-element array inside a nested path:

{"locations": [{"id": "loc1", "props": {"slots": [{"start": "08:00"}]}}]}

Expression:

locations.(
    $loc := $                                                                         
    $merge([$loc, { 
        "props": $merge([$loc.props, {                                                                                          
            "slots": $loc.props.slots.($merge([$, {"start": "06:00"}]))                                                                                                               
        }])                                                                             
    }])                                                      
)                                                                                                                                                                                                                                                                                                                  

The single-element slots array unwraps to an object after the $merge mapping, then the parent path casts it to List.

Workaround: wrap the mapped result in []:

"slots": [$loc.props.slots.($merge([$, {"start": "06:00"}]))]