Dropdown with VM actions closes on VM status update

[rhrazdil]

While working on #163 I encountered an issue that accessing dropdown item (in virtualmachines list view) very often results in 'No stale element' exception.

The reason behind this seems to be re-rendering of VM status. When a VM status is updated, the dropdown is closed.

An easy way to reproduce this is the following:

1. Have a VM, navigate to all vms list view
2. Start the VM
3. While the VM is starting, try to open the dropdown again.

Result:
While the VM is starting the dropdown keeps closing relatively frequently. When the status changes from Starting to Running, the dropdown closes.

Note that dropdown opened for VM A is closed even if status of another VM B is changed. With high number of VMs, this may be quite annoying.

[rhrazdil]

Moved to BZ to openshift console https://bugzilla.redhat.com/show_bug.cgi?id=1677546