[api] Add idempotent early-exit to setupSandboxHandler#260

sweetmantech wants to merge 1 commit intotestrecoupable/api:testfrom

sweetmantech/myc-4417-api-add-idempotent-early-exit-to-setupsandboxhandlerrecoupable/api:sweetmantech/myc-4417-api-add-idempotent-early-exit-to-setupsandboxhandlerCopy head branch name to clipboard