fix: get_activities error will fetching deleted fields

crm/api/activities.py

@@ -111,6 +111,7 @@ def get_lead_activities(name):
 	get_docinfo('', "CRM Lead", name)
 	docinfo = frappe.response["docinfo"]
 	lead_fields_meta = frappe.get_meta("CRM Lead").fields
+	lead_fields = {field.fieldname: {"label": field.label, "options": field.options} for field in lead_fields_meta}
 
 	doc = frappe.db.get_values("CRM Lead", name, ["creation", "owner"])[0]
 	activities = [{
@@ -123,19 +124,21 @@ def get_lead_activities(name):
 
 	docinfo.versions.reverse()
 
+
 	for version in docinfo.versions:
 		data = json.loads(version.data)
 		if not data.get("changed"):
 			continue
 
-		field_option = None
-
 		if change := data.get("changed")[0]:
-			field_label, field_option = next(((f.label, f.options) for f in lead_fields_meta if f.fieldname == change[0]), None)
+			field = lead_fields.get(change[0], None)
 
-			if field_label == "Converted" or (not change[1] and not change[2]):
+			if not field or change[0] == "converted" or (not change[1] and not change[2]):
 				continue
 
+			field_label = field.get("label") or change[0]
+			field_option = field.get("options") or None
+
 			activity_type = "changed"
 			data = {
 				"field": change[0],