add starting server if no server is running during export to web

src/blenderbim/blenderbim/bim/module/csv/operator.py

@@ -254,7 +254,10 @@ class ExportIfcCsv(bpy.types.Operator):
             schedule_creator = scheduler.Scheduler()
             schedule_creator.schedule(self.filepath, tool.Drawing.get_path_with_ext(self.filepath, "svg"))
         if props.format == "web":
+            if not context.scene.WebProperties.is_running:
+                bpy.ops.bim.connect_websocket_server()
             tool.Web.send_webui_data(data=ifc_csv.dataframe.to_csv(index=False), data_key="csv_data", event="csv_data")
+
         self.report({"INFO"}, f"Data is exported to {props.format.upper()}.")
         return {"FINISHED"}