frontend: useKubeObject: probe endpoints with GET-by-name instead of List#4696

Kaniikura wants to merge 2 commits intokubernetes-sigs:mainkubernetes-sigs/headlamp:mainfrom

Kaniikura:fix/4674-use-get-probe-for-single-resourceKaniikura/headlamp:fix/4674-use-get-probe-for-single-resourceCopy head branch name to clipboard