Update config handling in config.py

Refactored the config handling in config.py to remove paths and options keys if their corresponding values are None or empty. Previously, such key-value pairs were left unaddressed, potentially leading to problems with interpreting the configuration.

bd_to_avp/modules/config.py

@@ -209,13 +209,15 @@ def save_config_to_file(self) -> None:
             if key == "app":
                 continue
             elif "_path" in key:
-                if not value:
-                    continue
-                config_parser.set("Paths", key, value.as_posix())
+                if value:
+                    config_parser.set("Paths", key, value.as_posix())
+                else:
+                    config_parser.remove_option("Paths", key)
             else:
-                if value is None:
-                    continue
-                config_parser.set("Options", key, str(value))
+                if value:
+                    config_parser.set("Options", key, str(value))
+                else:
+                    config_parser.remove_option("Options", key)
 
         with open(self.app.config_file, "w") as config_file:
             config_parser.write(config_file)