Fixed an error when reload is pressed on VM filter with user input.

Changed to show quick search pop up box, when Reload button is pressed on a VM filter screen that prompts for user input.

https://bugzilla.redhat.com/show_bug.cgi?id=1082569
https://bugzilla.redhat.com/show_bug.cgi?id=1112392
Merge pull request #74 from h-kataria/reload_button_fixed_for_vm_filter_with_user_input

Fixed an error when reload is pressed on VM filter with user input.