linking issue in dashboard (#11701)

diff --git a/erpnext/crm/doctype/opportunity/opportunity_dashboard.py b/erpnext/crm/doctype/opportunity/opportunity_dashboard.py
index 1939c2e..bd4a6a2 100644
--- a/erpnext/crm/doctype/opportunity/opportunity_dashboard.py
+++ b/erpnext/crm/doctype/opportunity/opportunity_dashboard.py
@@ -5,6 +5,7 @@
 		'fieldname': 'prevdoc_docname',
 		'non_standard_fieldnames': {
 			'Supplier Quotation': 'opportunity',
+			'Quotation': 'opportunity'
 		},
 		'transactions': [
 			{