Fix su lettura setup

ems-core/src/main/java/it/integry/ems_model/service/SetupGest.java

@@ -117,7 +117,7 @@ public class SetupGest {
 //
 //        return stbGestSetup.getValue();
 
-        String query = "SELECT value FROM stb_gest_setup"
+        String query = "SELECT ISNULL(value, '') AS value FROM stb_gest_setup"
                 + " WHERE gest_name = " + UtilityDB.valueToString(gestName)
                 + " AND section = " + UtilityDB.valueToString(section)
                 + " AND key_section = " + UtilityDB.valueToString(keySection);