fix: enhance error reporting by including HSN codes in error messages; remove unnecessary errors;

Author: karm1000

india_compliance/gst_india/doctype/gst_return_log/generate_gstr_1.py

@@ -570,6 +570,16 @@ def get_gstr1_data(self):
         data["filing_preference"] = self.filing_preference
 
         if error_data := self.get_json_for("upload_error"):
+            error_data["error_report"] = [
+                error
+                for error in error_data.get("error_report", [])
+                if error.get("error_code") or error.get("error_message")
+            ]
+
+            for error in error_data.get("error_report", []):
+                if hsn_code := error.get("hsn_code"):
+                    error["error_message"] += f" - HSN Code: {hsn_code}"
+
             data["errors"] = error_data
 
         data["pending_actions"] = set(