feat: Update project name retrieval in LCModelComponent and CustomCom…

…ponent (#3506)

Return the project name using get_project_name method in both classes.

src/backend/base/langflow/base/models/model.py

@@ -166,7 +166,7 @@ def get_chat_result(
             runnable = runnable.with_config(  # type: ignore
                 {
                     "run_name": self.display_name,
-                    "project_name": self._tracing_service.project_name,  # type: ignore
+                    "project_name": self.get_project_name(),
                     "callbacks": self.get_langchain_callbacks(),
                 }
             )

src/backend/base/langflow/custom/custom_component/component.py

@@ -715,3 +715,7 @@ def log(self, message: LoggableType | list[LoggableType], name: Optional[str] =
             data["output"] = self._current_output
             data["component_id"] = self._id
             self._log_callback(event_name, data)
+    def get_project_name(self):
+        if hasattr(self, "_tracing_service"):
+            return self._tracing_service.project_name
+        return "Langflow"