[2.3 UI] Check all box in Nodes listing page does not select all nodes

Steps to reproduce:

1. Go to Nodes listing page in the UI where several nodes are listed.
2. Click on the top selection box to "check all" nodes.
3. Only the box is check, and no other nodes are also checked.

$ dpkg -l '*maas*'|cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-===============================-=============================-============-=================================================
ii maas 2.3.0~alpha1+bzr6085-0ubuntu1 all "Metal as a Service" is a physical cloud and IPAM
ii maas-cli 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS client and command-line interface
un maas-cluster-controller <none> <none> (no description available)
ii maas-common 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS server common files
ii maas-dhcp 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS DHCP server
ii maas-dns 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS DNS server
ii maas-proxy 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS Caching Proxy
ii maas-rack-controller 2.3.0~alpha1+bzr6085-0ubuntu1 all Rack Controller for MAAS
ii maas-region-api 2.3.0~alpha1+bzr6085-0ubuntu1 all Region controller API service for MAAS
ii maas-region-controller 2.3.0~alpha1+bzr6085-0ubuntu1 all Region Controller for MAAS
un maas-region-controller-min <none> <none> (no description available)
un python-django-maas <none> <none> (no description available)
un python-maas-client <none> <none> (no description available)
un python-maas-provisioningserver <none> <none> (no description available)
ii python3-django-maas 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS server Django web framework (Python 3)
ii python3-maas-client 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS python API client (Python 3)
ii python3-maas-provisioningserver 2.3.0~alpha1+bzr6085-0ubuntu1 all MAAS server provisioning libraries (Python 3)