Enhancements to Supplier Portal (#19221)

* fix: Add Purchase Order to portal

* fix: Create Customer or Supplier on first login

Based on default role set in Portal Settings, a Customer or Supplier
will be created when the user logs in for the first time.

* fix: Styling for transaction_row

* fix: Styling for RFQ page

* fix: Add Purchase Invoice route

- Make Purchase Invoice from PO

* fix: minor

- Admissions for Student role
- Remove print statement

erpnext/controllers/website_list_for_contact.py

@@ -25,7 +25,7 @@ def get_transaction_list(doctype, txt=None, filters=None, limit_start=0, limit_p
 
 	if not filters: filters = []
 
-	if doctype == 'Supplier Quotation':
+	if doctype in ['Supplier Quotation', 'Purchase Invoice']:
 		filters.append((doctype, 'docstatus', '<', 2))
 	else:
 		filters.append((doctype, 'docstatus', '=', 1))
@@ -175,4 +175,4 @@ def get_customer_field_name(doctype):
 	if doctype == 'Quotation':
 		return 'party_name'
 	else:
-		return 'customer'
+		return 'customer'