[🐞]in statement is not reliable when running through partytown

[somfish94]

Describe the bug

was trying to use the 'in' statement before accessing a field. results are inconsisten when running through party town

Reproduction

none

Steps to reproduce

run 'ontouchstart' in window on main thread when result is expected as false.

run 'ontouchstart' in window on same device/browser in a function on partytown. result is returned as true.

Browser Info

Firefox

Additional Information

No response