[fix] Healthcare field and desktop icon (#15638)

* Test Inpatient Record - Fix

* Test Inpatient Record - Fix

* Healthcare - Patch rename_healthcare_doctype_and_fields - Updated

* Healthcare - Desktop Icons - Updated

* Healthcare - Patch change  in healthcare desktop icons

* Healthcare Util - fix - appointments valid in fee validity

* Healthcare Settings - field label change

* Patient allow rename

* fix: remove unused variable
diff --git a/erpnext/healthcare/utils.py b/erpnext/healthcare/utils.py
index 58c38b1..0987eb5 100644
--- a/erpnext/healthcare/utils.py
+++ b/erpnext/healthcare/utils.py
@@ -342,6 +342,8 @@
 def appointments_valid_in_fee_validity(appointment, invoiced):
 	valid_days = frappe.db.get_value("Healthcare Settings", None, "valid_days")
 	max_visit = frappe.db.get_value("Healthcare Settings", None, "max_visit")
+	if int(max_visit) < 1:
+		max_visit = 1
 	valid_days_date = add_days(getdate(appointment.appointment_date), int(valid_days))
 	return frappe.get_list("Patient Appointment",{'patient': appointment.patient, 'invoiced': invoiced,
 	'appointment_date':("<=", valid_days_date), 'appointment_date':(">=", getdate(appointment.appointment_date)),