OU: Pagination refactor/fixup

OU.vue doesn't use the netvs-paginator component and has tables with per_page AND no pagniator at all. Refector necessasary to track per page settings and pagenumber per card.

added Bug workflowupcoming labels

mentioned in issue #457 (closed)

assigned to @gj4210

changed milestone to %API 4.0 Release

closed