add cilium-operator restart to cluster mesh getting started guide
add cilium-operator restart to cluster mesh getting started guide

Fixes: #7558

Signed-off-by: Adrien Trouillaud <cf0fd586793e6c2dcf5ae8fbaf8cb4c65c833e3b@users.noreply.github.com>
cilium/cilium,cilium/cilium,cilium/cilium,cilium-team/cilium,michi-covalent/cilium,tgraf/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,michi-covalent/cilium,cilium-team/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,tgraf/cilium,tklauser/cilium,michi-covalent/cilium,tgraf/cilium,tgraf/cilium,tklauser/cilium,tklauser/cilium,tgraf/cilium,tgraf/cilium