Addded additional checking for nestedFilter
Addded additional checking for nestedFilter

GrandLTU/ElasticsearchBundle,murnieza/ElasticsearchBundle,trandangtri/ElasticsearchBundle,abhiesa-tolexo/ElasticsearchBundle,asev/ElasticsearchBundle,GrandLTU/ElasticsearchBundle,martiis/ElasticsearchBundle,tautrimas/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,saimaz/ElasticsearchBundle,saimaz/ElasticsearchBundle,asev/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,abhiesa-tolexo/ElasticsearchBundle,lmikelionis/ElasticsearchBundle,tautrimas/ElasticsearchBundle,martiis/ElasticsearchBundle,trandangtri/ElasticsearchBundle,murnieza/ElasticsearchBundle,ongr-io/ElasticsearchBundle