Remove an item from the array in the 1st object and add it to another array of 2nd object ( in the same array)

Question

 const list = [
{title: \'header\', items: [\'FIRST_NAME\', \'LAST_NAME\', \'CASE_NUMBER\']},
{title: \'ColHeader\', items: [\'BLANK\', \'ANOTHER BLANK\']}
];

list[