Set the workflow instance ready state to running in failover (#15572)

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessServiceImpl.java

@@ -793,6 +793,14 @@ public class ProcessServiceImpl implements ProcessService {
                 break;
             case RECOVER_TOLERANCE_FAULT_PROCESS:
                 // recover tolerance fault process
+                // If the workflow instance is in ready state, we will change to running, this can avoid the workflow
+                // instance
+                // status is not correct with taskInsatnce status
+                if (processInstance.getState() == WorkflowExecutionStatus.READY_PAUSE
+                        || processInstance.getState() == WorkflowExecutionStatus.READY_STOP) {
+                    // todo: If we handle the ready state in WorkflowExecuteRunnable then we can remove below code
+                    processInstance.setState(WorkflowExecutionStatus.RUNNING_EXECUTION);
+                }
                 processInstance.setRecovery(Flag.YES);
                 processInstance.setRunTimes(runTime + 1);
                 runStatus = processInstance.getState();