(very) simple bug fix for screenshot method (#106)

* simple bug fix for screenshot method

unpack the input options as the base playwright screenshot method accepts keyword arguments only

* bug fix for the bug fix - send the safe payload instead of options

options might be None.

Author: guyvandam

stagehand/page.py

@@ -399,7 +399,7 @@ async def screenshot(self, options: Optional[dict] = None) -> str:
 
             return result
         else:
-            return await self._page.screenshot(options)
+            return await self._page.screenshot(**payload)
 
     # Method to get or initialize the persistent CDP client
     async def get_cdp_client(self) -> CDPSession: