mgr/dashboard: Datatable catches select events from other datatables

mgr/dashboard: Datatable catches select events from other datatables

Ensure we do not process DOM 'select' events, see https://github.com/swimlane/ngx-datatable/issues/899.

Fixes: https://tracker.ceph.com/issues/46903
Signed-off-by: Volker Theile <vtheile@suse.com>
(cherry picked from commit 31e9bbb9b308277d2f89390d5ff62f13457d69cb)

 Conflicts:
	src/pybind/mgr/dashboard/frontend/src/app/shared/datatable/table/table.component.ts
	conflict caused by new methods that don't exist in nautilus,
fixed by removing them from being cherry-picked.