fix: Customer Primary Contact (#33424)

Co-authored-by: Nihantra C. Patel <n.patel.serpentcs@gmail.com>
diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 12ecb01..d9dab33 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -737,7 +737,7 @@
 		qb.from_(con)
 		.join(dlink)
 		.on(con.name == dlink.parent)
-		.select(con.name, con.full_name, con.email_id)
+		.select(con.name, con.email_id)
 		.where((dlink.link_name == customer) & (con.name.like(f"%{txt}%")))
 		.run()
 	)