fix: event propogation in react 17

In react 17 the order of events changed. Trap was previously capturing the event which caused
issues like being unable to focus on content that is inside a portal.

re theKashey#134

src/Trap.js

@@ -171,13 +171,13 @@ const onWindowBlur = () => {
 };
 
 const attachHandler = () => {
-  document.addEventListener('focusin', onTrap, true);
+  document.addEventListener('focusin', onTrap);
   document.addEventListener('focusout', onBlur);
   window.addEventListener('blur', onWindowBlur);
 };
 
 const detachHandler = () => {
-  document.removeEventListener('focusin', onTrap, true);
+  document.removeEventListener('focusin', onTrap);
   document.removeEventListener('focusout', onBlur);
   window.removeEventListener('blur', onWindowBlur);
 };