Update Get-AzNetworkWatcherNextHop.md (#14813)

Get-AzVM output object properties have changed. Now $vm.NetworkProfile.NetworkInterfaces.Id would provide the interface IDs.

Author: 2mOlaf

src/Network/Network/help/Get-AzNetworkWatcherNextHop.md

@@ -44,7 +44,7 @@ Next hop allows you to view the type of Azure resource, the associated IP addres
 $nw = Get-AzResource | Where {$_.ResourceType -eq "Microsoft.Network/networkWatchers" -and $_.Location -eq "WestCentralUS" } 
 $networkWatcher = Get-AzNetworkWatcher -Name $nw.Name -ResourceGroupName $nw.ResourceGroupName 
 $VM = Get-AzVM -ResourceGroupName ContosoResourceGroup -Name VM0
-$Nics = Get-AzNetworkInterface | Where {$_.Id -eq $vm.NetworkInterfaceIDs.ForEach({$_})}
+$Nics = Get-AzNetworkInterface | Where {$_.Id -eq $vm.NetworkProfile.NetworkInterfaces.Id.ForEach({$_})}
 Get-AzNetworkWatcherNextHop -NetworkWatcher $networkWatcher -TargetVirtualMachineId $VM.Id -SourceIPAddress $nics[0].IpConfigurations[0].PrivateIpAddress  -DestinationIPAddress 204.79.197.200