fix: Reload doc in Healthcare company patch (#21808)

diff --git a/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py b/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py
index 2c646b1..9d0dae4 100644
--- a/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py
+++ b/erpnext/patches/v13_0/set_company_field_in_healthcare_doctypes.py
@@ -6,4 +6,5 @@
 	doctypes = ['Clinical Procedure', 'Inpatient Record', 'Lab Test', 'Patient Appointment', 'Patient Encounter', 'Vital Signs']
 	for entry in doctypes:
 		if frappe.db.exists('DocType', entry):
+			frappe.reload_doc("Healthcare", "doctype", entry)
 			frappe.db.sql("update `tab{dt}` set company = '{company}' where ifnull(company, '') = ''".format(dt=entry, company=company))