fix: update status of Email Campaign (#39776)

diff --git a/erpnext/crm/doctype/email_campaign/email_campaign.py b/erpnext/crm/doctype/email_campaign/email_campaign.py
index 17cf0e4..0ad19a4 100644
--- a/erpnext/crm/doctype/email_campaign/email_campaign.py
+++ b/erpnext/crm/doctype/email_campaign/email_campaign.py
@@ -144,3 +144,4 @@
 	for entry in email_campaigns:
 		email_campaign = frappe.get_doc("Email Campaign", entry.name)
 		email_campaign.update_status()
+		email_campaign.save()