Moving 'Show Usage' button from application instance tooltip to application tooltip to view application level metering data.

Currently we have 'Show Usage' navigation button to metering dashboard to view application level data in application-instance level as in [1] (single-cartrige-app-application-topology-view.png). We need to move 'Show Usage' button to application level as in [2] (/home/thanujau/Pictures/single-cartrige-app-application-topology-view-new.png.