Bug analysis of the command unrecognization

Just put -p ProtoALphaAL to tezos-client. That's all.

Here's sandbox env's default protocol switcher.

code:bash

export DATA_DIR=/tmp/sandboxdatatz && mkdir -p $DATA_DIR

./src/bin_node/tezos-sandboxed-node.sh 1 --connections 1 &>/dev/null &

eval ./src/bin_client/tezos-init-sandboxed-client.sh 1

tezos-activate-alpha

tezos-baker-alpha run with local node $DATA_DIR &>/dev/null &