Reset flash_array when viewing screen off off vm summary screen.
Reset flash_array when viewing screen off off vm summary screen.

Reset flash_array so flash message is not displayed when clicking on links such as Snapshots/Genealogy/Container/Operating System etc from summary screen after perfomring some actions like "Edit Tags".

https://bugzilla.redhat.com/show_bug.cgi?id=1146249
https://bugzilla.redhat.com/show_bug.cgi?id=1102658
(transferred from ManageIQ/manageiq@437978eb498fdb454a09e366d27d36c9bd6e3ef7)

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