Describe the bug
ERROR
Cannot read properties of undefined (reading 'shouldFocus')
TypeError: Cannot read properties of undefined (reading 'shouldFocus')
at Proxy.onKeyUpListener (webpack-internal:///./node_modules/@ditdot-dev/vue-flow-form/dist/vue-flow-form.common.js:2742:32)

To Reproduce
When we're at the submit page, and I am using the questionnaire example, using Alt Tab to go to another window and go back again, the error will pup up, at least on local

Expected behavior
Was not expecting that error

Desktop (please complete the following information):

• Windows 11
• Chrome
• Last Version