VSCode Alt+1 切换 Explorer

    {
        "key": "alt+1",
        "command": "workbench.view.explorer",
        "when": "viewContainer.workbench.view.explorer.enabled"
    },
    {
        "key": "alt+1",
        "command": "workbench.action.closeSidebar",
        "when": "sideBarVisible && activeViewlet == 'workbench.view.explorer'"
    },