CLOUDSTACK-8766: Fix infinite scrolling pagination for zonal template listing
CLOUDSTACK-8766: Fix infinite scrolling pagination for zonal template listing

Uses listViewDataProvider to implement pagination for listing templates and ISOs
in the zones tab. Dedupes isos and templates in the list views.

This closes #740

(cherry picked from commit 26700fbe766e06c3b953ee9ebae3f51ff1a08968)
Signed-off-by: Rohit Yadav <902b9eb5dd62819678163bd5e00fbf0cbc7c264b@shapeblue.com>

wido/cloudstack,wido/cloudstack,wido/cloudstack,resmo/cloudstack,jcshen007/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,jcshen007/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,resmo/cloudstack,resmo/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack