HA: wait 10 seconds for all modules are loaded

this fixes
```
2025-03-04T07:58:13,306 WARN  [c.c.h.HighAvailabilityManagerExtImpl] (HA-Worker-2:[ctx-3dc0c480, work-256]) (logid:431cd943) Encountered unhandled exception during HA process, reschedule work java.lang.NullPointerException: Cannot invoke "org.apache.cloudstack.framework.jobs.AsyncJob.getId()" because "job" is null
```

Author: weizhouapache

engine/orchestration/src/main/java/com/cloud/vm/VirtualMachineManagerImpl.java

@@ -5248,10 +5248,9 @@ public Outcome<VirtualMachine> migrateVmAwayThroughJobQueue(final String vmUuid,
             workJob = newVmWorkJobAndInfo.first();
             VmWorkMigrateAway workInfo = new VmWorkMigrateAway(newVmWorkJobAndInfo.second(), srcHostId);
 
-            workJob.setCmdInfo(VmWorkSerializer.serialize(workInfo));
+            setCmdInfoAndSubmitAsyncJob(workJob, workInfo, vmId);
         }
 
-        _jobMgr.submitAsyncJob(workJob, VmWorkConstants.VM_WORK_QUEUE, vmId);
 
         AsyncJobExecutionContext.getCurrentExecutionContext().joinJob(workJob.getId());
 

engine/schema/src/main/java/com/cloud/vm/VMInstanceVO.java

@@ -502,7 +502,7 @@ public void setRemoved(Date removed) {
 
     @Override
     public String toString() {
-        return String.format("VM instance %s", ReflectionToStringBuilderUtils.reflectOnlySelectedFields(this, "id", "instanceName", "uuid", "type"));
+        return String.format("VM instance %s", ReflectionToStringBuilderUtils.reflectOnlySelectedFields(this, "id", "instanceName", "uuid", "type", "state"));
     }
 
     @Override

server/src/main/java/com/cloud/ha/HighAvailabilityManagerImpl.java

@@ -1027,6 +1027,13 @@ public WorkerThread(String name) {
 
         @Override
         public void run() {
+            try {
+                synchronized (this) {
+                    wait(_timeToSleep);
+                }
+            } catch (final InterruptedException e) {
+                s_logger.info("Interrupted");
+            }
             s_logger.info("Starting work");
             while (!_stopped) {
                 _managedContext.runWithContext(new Runnable() {