[BUG] fastjson2中jsonpath表达式嵌套执行报错

fastjson版本：2.0.43，场景：检索某个路径下的某个字段，在另外一个jsonpath的取值范围
表达式：$.person[?(@.city in $.city)]
demo:
String testJson = "{\"city\":[\"shanxi\",\"heilongjiang\"],\"person\":[{\"name\":\"dongxp\",\"city\":\"shanxi\"},{\"name\":\"dongxp\",\"city\":\"heilongjiang\"}]}";
JSONObject json1 = JSONObject.parseObject(testJson);
Object results1 = JSONPath.eval(json1, "$.person[?(@.city in $.city)]");
执行结果:
期望：同jayway的jsonpath一样，可以正常执行获取结果

Start at the JSONPath.eval entry point and reproduce the issue with the supplied JSON and expression $.person[?(@.city in $.city)]. Trace the nested JSONPath lookup and add or update a focused test if the project has one; done means the expression returns both matching person objects, as in the Jayway JSONPath result.

Written by the indexing model from the issue text.