TreeBuilderPolicy & PolicyProfile - don't automatically expand *all* the nodes
TreeBuilderPolicy & PolicyProfile - don't automatically expand *all* the nodes

before this, all the nodes in `policy_tree` and `policy_profile_tree` would be automatically expanded

with this, only the top level in `policy_profile` is expanded, and the first 3 in `policy`
(transferred from ManageIQ/manageiq@395f041d7a304f7838c1f6903861c4b8995a36e9)

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