Pass sender as contact email in Opportunity (#11308)

Always pass sender as the contact email while creating an opportunity for a website enquiry.

erpnext/templates/utils.py

@@ -32,6 +32,7 @@ def send_message(subject="Website Query", message="", sender="", status="Open"):
     	enquiry_from = 'Customer' if customer else 'Lead',
     	status = 'Open',
     	title = subject,
+	contact_email = sender,
     	to_discuss = message
     ))