Add missing Host Aggregate icon https://bugzilla.redhat.com/show_bug.cgi?id=1383175
Add missing Host Aggregate icon
https://bugzilla.redhat.com/show_bug.cgi?id=1383175

[skip ci]
(transferred from ManageIQ/manageiq@a8a852dbf8ede2ed3c4696e90d9f9ef3ee42760f)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic