fix_bug: lwm2m Bootstrap ShortServerId

dao/src/main/java/org/thingsboard/server/dao/service/validator/DeviceProfileDataValidator.java

@@ -330,9 +330,7 @@ public class DeviceProfileDataValidator extends AbstractHasOtaPackageValidator<D
             if (!serverConfig.isBootstrapServerIs() && (serverConfig.getShortServerId() < 1 || serverConfig.getShortServerId() > 65534)) {
                 throw new DeviceCredentialsValidationException("LwM2M Server ShortServerId must not be less than 1 and more than 65534!");
             }
-           if (serverConfig.isBootstrapServerIs() && !(serverConfig.getShortServerId() == null || serverConfig.getShortServerId() ==0)) {
-                throw new DeviceCredentialsValidationException("Bootstrap Server ShortServerId must be null or '0'!");
-            }
+
             String server = serverConfig.isBootstrapServerIs() ? "Bootstrap Server" : "LwM2M Server";
             if (!shortServerIds.add(serverConfig.getShortServerId())) {
                 throw new DeviceCredentialsValidationException(server + " \"Short server Id\" value = " + serverConfig.getShortServerId() + ". This value must be a unique value for all servers!");