Update shadow.mdx

- Update the suggestion to pass 'top' to cy.click() using the options defined in cy.click()'s documentation

Author: MatthewSbar

docs/api/commands/shadow.mdx

@@ -96,13 +96,13 @@ When working with `cy.click()`, it sometimes won't click the right element in
 Chrome. It's happening because of
 [the ambiguity in spec](https://bugs.chromium.org/p/chromium/issues/detail?id=1188919&q=shadowRoot%20elementFromPoint&can=2).
 
-In this case, pass `{ position: 'top' }` to `cy.click()` like below:
+In this case, pass `'top` to `cy.click()` like below:
 
 ```js
 cy.get('#element')
   .shadow()
   .find('[data-test-id="my-button"]')
-  .click({ position: 'top' })
+  .click('top')
 ```
 
 ## Command Log