Veeam: revert unnecessary state change if restore backup and attach to another VM (#8614)

Author: weizhouapache

server/src/main/java/org/apache/cloudstack/backup/BackupManagerImpl.java

@@ -770,20 +770,16 @@ public boolean restoreBackupVolumeAndAttachToVM(final String backedUpVolumeUuid,
         String[] hostPossibleValues = {host.getPrivateIpAddress(), host.getName()};
         String[] datastoresPossibleValues = {datastore.getUuid(), datastore.getName()};
 
-        updateVmState(vm, VirtualMachine.Event.RestoringRequested, VirtualMachine.State.Restoring);
         Pair<Boolean, String> result = restoreBackedUpVolume(backedUpVolumeUuid, backup, backupProvider, hostPossibleValues, datastoresPossibleValues);
 
         if (BooleanUtils.isFalse(result.first())) {
-            updateVmState(vm, VirtualMachine.Event.RestoringFailed, VirtualMachine.State.Stopped);
             throw new CloudRuntimeException(String.format("Error restoring volume [%s] of VM [%s] to host [%s] using backup provider [%s] due to: [%s].",
                     backedUpVolumeUuid, vm.getUuid(), host.getUuid(), backupProvider.getName(), result.second()));
         }
         if (!attachVolumeToVM(vm.getDataCenterId(), result.second(), vmFromBackup.getBackupVolumeList(),
                             backedUpVolumeUuid, vm, datastore.getUuid(), backup)) {
-            updateVmState(vm, VirtualMachine.Event.RestoringFailed, VirtualMachine.State.Stopped);
             throw new CloudRuntimeException(String.format("Error attaching volume [%s] to VM [%s]." + backedUpVolumeUuid, vm.getUuid()));
         }
-        updateVmState(vm, VirtualMachine.Event.RestoringSuccess, VirtualMachine.State.Stopped);
         return true;
     }