fix(cli): Fix appset generate in --core mode for cluster gen (cherry-pick #21170)#21236

ishitasequeira merged 1 commit intorelease-2.13argoproj/argo-cd:release-2.13from

cherry-pick-bc6b21-release-2.13argoproj/argo-cd:cherry-pick-bc6b21-release-2.13Copy head branch name to clipboard