Fix IntegrationError handler (#1146)

* prevent rollback on error propagation

* fix arguments

* Revert "fix arguments"

This reverts commit 8ca5da9.

* Revert "prevent rollback on error propagation"

This reverts commit c9c4809.

* replace transactional with transactionTemplate

* fix test

* fix config

* Revert "fix config"

This reverts commit cac4f90.

* Revert "fix test"

This reverts commit 5da448a.

* Revert "replace transactional with transactionTemplate"

This reverts commit 8e6861f.

* remove transactional

activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-connectors/src/main/java/org/activiti/services/connectors/channel/ServiceTaskIntegrationErrorEventHandler.java

@@ -16,8 +16,6 @@
 
 package org.activiti.services.connectors.channel;
 
-import static org.springframework.transaction.annotation.Propagation.REQUIRES_NEW;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -39,7 +37,6 @@
 import org.slf4j.LoggerFactory;
 import org.springframework.retry.annotation.Backoff;
 import org.springframework.retry.annotation.Retryable;
-import org.springframework.transaction.annotation.Transactional;
 
 public class ServiceTaskIntegrationErrorEventHandler {
 
@@ -70,7 +67,6 @@ public ServiceTaskIntegrationErrorEventHandler(
         maxAttemptsExpression = "${activiti.cloud.integration.error.retry.max-attempts:3}",
         backoff = @Backoff(delayExpression = "${activiti.cloud.integration.error.retry.backoff.delay:0}")
     )
-    @Transactional(propagation = REQUIRES_NEW)
     public void receive(IntegrationError integrationError) {
         IntegrationContext integrationContext = integrationError.getIntegrationContext();
         IntegrationContextEntity integrationContextEntity = integrationContextService.findById(