The latest recorded sequence is played back if the 'sequence' argument has a syntax error

[tshino]

    {
        "key": "ctrl+alt+up",
        "command": "kb-macro.playback",
        "args": {
            "sequence": [
                { "command": "editor.action.addCommentLine" },
                { "command": "editor.action.copyLinesUpAction" },
                { "ommand": "editor.action.removeCommentLine" } // error
            ]
        }
    },

Result (v0.11.1)

The latest recorded sequence is played back.

Expected result

(Report error to the user and) do nothing.