fix little bugs

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/metadata/TbFetchDeviceCredentialsNode.java

@@ -47,9 +47,7 @@ import java.util.concurrent.ExecutionException;
                 "to the message data. If originator type is not <b>DEVICE</b> or rule node failed to get device credentials " +
                 "- send Message via <code>Failure</code> chain, otherwise <code>Success</code> chain is used.",
         uiResources = {"static/rulenode/rulenode-core-config.js"},
-        configDirective = "tbEnrichmentNodeFetchDeviceCredentialsConfig",
-        icon = "functions"
-)
+        configDirective = "tbEnrichmentNodeFetchDeviceCredentialsConfig")
 public class TbFetchDeviceCredentialsNode implements TbNode {
 
     private static final String CREDENTIALS = "credentials";

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNode.java

@@ -36,7 +36,7 @@ import java.util.concurrent.ExecutionException;
 
 @Slf4j
 @RuleNode(
-        type = ComponentType.EXTERNAL,
+        type = ComponentType.TRANSFORMATION,
         name = "split array msg",
         configClazz = EmptyNodeConfiguration.class,
         nodeDescription = "Split array message into several msgs",