message: chore(origin-backend): don't required grid operator on DTO level
diff: @@ -101,7 +101,6 @@ export class CreateDeviceDTO implements DeviceCreateData {
  @ApiProperty({ type: String })
  @IsString()
  - @IsNotEmpty()
  gridOperator: string;
  @ApiProperty({ type: [SmartMeterReadDTO], required: false })
  