auto commit

src/actions/actionCanvas.tsx

       { left: appState.offsetLeft, top: appState.offsetTop },
       { x: appState.width / 2, y: appState.height / 2 },
     );
+    console.trace("perform_zoom_in")
     tmp_hooks.zoomin2 = {zoom,_elements, appState,args:[...arguments],that:this}
     return {
       appState: {