fix: add property node to constraint violation for better error reporting in module configuration validation

Author: mjabascal10

backend/src/main/java/com/park/utmstack/domain/application_modules/validators/impl/ModuleConfigurationValidator.java

@@ -33,6 +33,7 @@ public boolean isValid(GroupConfigurationDTO dto, ConstraintValidatorContext con
         } catch (Exception e) {
             context.disableDefaultConstraintViolation();
             context.buildConstraintViolationWithTemplate(e.getMessage())
+                    .addPropertyNode("keys")
                     .addConstraintViolation();
             return false;
         }