fix: RFQ emails not sent with pdf attachment (#33604)

(cherry picked from commit e0f5ecd)

erpnext/buying/doctype/request_for_quotation/request_for_quotation.py

@@ -216,6 +216,7 @@ def send_email(self, data, sender, subject, message, attachments):
 			recipients=data.email_id,
 			sender=sender,
 			attachments=attachments,
+			print_format=self.meta.default_print_format or "Standard",
 			send_email=True,
 			doctype=self.doctype,
 			name=self.name,
@@ -224,9 +225,7 @@ def send_email(self, data, sender, subject, message, attachments):
 		frappe.msgprint(_("Email Sent to Supplier {0}").format(data.supplier))
 
 	def get_attachments(self):
-		attachments = [d.name for d in get_attachments(self.doctype, self.name)]
-		attachments.append(frappe.attach_print(self.doctype, self.name, doc=self))
-		return attachments
+		return [d.name for d in get_attachments(self.doctype, self.name)]
 
 	def update_rfq_supplier_status(self, sup_name=None):
 		for supplier in self.suppliers: