pkg/kvstore: set endpoint shuffle in etcd client connectivity
pkg/kvstore: set endpoint shuffle in etcd client connectivity

The endpoint shuffle was happening before loading the etcd
configuration. To have the endpoints shuffled we should do it after
loading the configuration from disk.

Fixes: b95650b30b46 ("etcd: Shuffle list of etcd endpoints")
Signed-off-by: André Martins <bc9800b9d52a24cce72a73dd528afed53f10e5fc@cilium.io>

cilium/cilium,tgraf/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,tklauser/cilium,tgraf/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,tklauser/cilium,tgraf/cilium,michi-covalent/cilium,tgraf/cilium,cilium-team/cilium,tklauser/cilium,tklauser/cilium,cilium-team/cilium