Related-Bug: 1436576 - Interface Grid hangs while loading more than 1k records Added a check to adjust visible rows only on following conditions which takes care of the performance issue.  - If the visible page is the last page on grid  - If user goes to some other page  - If user changes pageSizeSelect option
Related-Bug: 1436576 - Interface Grid hangs while loading more than 1k records
Added a check to adjust visible rows only on following conditions which takes care of the performance issue.
 - If the visible page is the last page on grid
 - If user goes to some other page
 - If user changes pageSizeSelect option

Change-Id: I5aad71fb840908ea58015c9d31a818631758dd0e

hari-sk/contrail-web-core,vishnuvv/contrail-web-core,nagakiran/contrail-web-core,nagakiran/contrail-web-core,vishnuvv/contrail-web-core,vishnuvv/contrail-web-core,biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,hari-sk/contrail-web-core,hari-sk/contrail-web-core,biswajit-mandal/contrail-web-core,nagakiran/contrail-web-core