fix --disable-proxy flag in `admin bucket remote add` command (#3851)
fix --disable-proxy flag in `admin bucket remote add` command (#3851)

Co-authored-by: Poorna Krishnamoorthy <68dc2b0de6d2c86d9188e3bb86def8454ca330ce@minio.io>
minio/mc,krisis/mc,vadmeste/mc,krisis/mc,balamurugana/mc,balamurugana/mc,vadmeste/mc,minio/mc