refresh view doesn't need to be an instance variable
refresh view doesn't need to be an instance variable

change refresh_view to a local variable.  This will help us reason about
the code because we don't have to consider the side effects of having an
instance variable set (like, does the ivar get used in a view? etc)
(transferred from ManageIQ/manageiq@5b1b3ed891eaf45ee8ecc4554ae4237a94e3f01a)

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