refactor: isFeatureEnabled uses internal feature_flag api#255

sigmachirality merged 1 commit intomainsfcompute/cli:mainfrom

shantanu/pr-1868-update-cli-to-use-the-new-v2feature_flags-endpoint-insteadsfcompute/cli:shantanu/pr-1868-update-cli-to-use-the-new-v2feature_flags-endpoint-insteadCopy head branch name to clipboard