added raw_response support for AsyncSoapBinding

Author: yapith-suplari

src/zeep/asyncio/bindings.py

@@ -14,11 +14,10 @@ async def send(self, client, options, operation, args, kwargs):
         response = await client.transport.post_xml(
             options['address'], envelope, http_headers)
 
-        operation_obj = self.get(operation)
-       
         if client.settings.raw_response:
             return response        
-
+     
+        operation_obj = self.get(operation)
         return self.process_reply(client, operation_obj, response)