swapping mapping of <Tab> and <CR> doesn't work in commandmap

Hello,

I want <TAB> to accept selection and <CR> to enter normal mode. However, doing the following doesn't work:
let g:Lf_CommandMap = {'<CR>': ['<Tab>'],'<Tab>': ['<CR>', '<ESC>'],'<F5>': ['<C-G>']}

In this case, <CR> stops working