fix: Allow `fields` to have "*" without array

frappe/desk/reportview.py

@@ -225,7 +225,7 @@ def parse_json(data):
 	if isinstance(data.get("or_filters"), str):
 		data["or_filters"] = json.loads(data["or_filters"])
 	if isinstance(data.get("fields"), str):
-		data["fields"] = json.loads(data["fields"])
+		data["fields"] = ["*"] if data["fields"] == "*" else json.loads(data["fields"])
 	if isinstance(data.get("docstatus"), str):
 		data["docstatus"] = json.loads(data["docstatus"])
 	if isinstance(data.get("save_user_settings"), str):