Material UI Checkbox auto focus on typing input field Reactjs

can someone please help me with this prob? Here is the codesandbox, I follow the demo from document Tags with multiple checkbox https://codesandbox.io/s/multipleselectcheckmarks-material-demo-forked-ecbdu?file=/demo.js all I did were to add an input field to it, but when I typed any Letters that matched the label field, Its immediately jump to that checkbox and can not type that letter, can anyone please help me with this issue? , thank you really much

for example , I typed "K"

It somehow will focus in Kelly Snyder Option