[cherry-pick][Fix-7019][MasterServer] Fix the issue with failing to save and run the process that contains the switch task (#7068)

* [Fix-7019][MasterServer] Fix the issue with failing to save and run the process that contains the switch task. (#7046)

* fix switch next code

Co-authored-by: Hua Jiang <jianghuachinacom@163.com>
Co-authored-by: caishunfeng <534328519@qq.com>

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/task/switchtask/SwitchParameters.java

@@ -29,6 +29,8 @@ public class SwitchParameters extends AbstractParameters {
     private DependentRelation dependRelation;
     private String relation;
     private List<String> nextNode;
+    private int resultConditionLocation;
+    private List<SwitchResultVo> dependTaskList;
 
     @Override
     public boolean checkParameters() {
@@ -40,9 +42,6 @@ public class SwitchParameters extends AbstractParameters {
         return new ArrayList<>();
     }
 
-    private int resultConditionLocation;
-    private List<SwitchResultVo> dependTaskList;
-
     public DependentRelation getDependRelation() {
         return dependRelation;
     }
@@ -84,6 +83,10 @@ public class SwitchParameters extends AbstractParameters {
             List<String> nextNodeList = new ArrayList<>();
             nextNodeList.add(String.valueOf(nextNode));
             this.nextNode = nextNodeList;
+        } else if (nextNode instanceof Number) {
+            List<String> nextNodeList = new ArrayList<>();
+            nextNodeList.add(nextNode.toString());
+            this.nextNode = nextNodeList;
         } else {
             this.nextNode = (ArrayList) nextNode;
         }