updated EntityKeyMapping.prepareKeyMapping to be "mergable" with PE

dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultEntityQueryRepository.java

@@ -419,7 +419,7 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
             QueryContext ctx = new QueryContext(new QuerySecurityContext(tenantId, customerId, entityType, ignorePermissionCheck));
             EntityDataPageLink pageLink = query.getPageLink();
 
-            List<EntityKeyMapping> mappings = EntityKeyMapping.prepareKeyMapping(query);
+            List<EntityKeyMapping> mappings = EntityKeyMapping.prepareKeyMapping(entityType, query);
 
             List<EntityKeyMapping> selectionMapping = mappings.stream().filter(EntityKeyMapping::isSelection)
                     .collect(Collectors.toList());

dao/src/main/java/org/thingsboard/server/dao/sql/query/EntityKeyMapping.java

@@ -344,8 +344,7 @@ public class EntityKeyMapping {
                 .collect(Collectors.joining(" AND "));
     }
 
-    public static List<EntityKeyMapping> prepareKeyMapping(EntityDataQuery query) {
-        EntityType entityType = resolveEntityType(query.getEntityFilter());
+    public static List<EntityKeyMapping> prepareKeyMapping(EntityType entityType, EntityDataQuery query) {
         EntityFilterType entityFilterType = query.getEntityFilter().getType();
 
         List<EntityKey> entityFields = query.getEntityFields() != null ? query.getEntityFields() : Collections.emptyList();