Fix rulers getting drawn repeatedly/in wrong places in screenshots

They were getting drawn once for every entity, and were also getting
moved around weirdly.

macrovision.js

@@ -5003,11 +5003,10 @@ function renderToCanvas() {
         ctx.rotate(entity.rotation);
         ctx.drawImage(img, -xSize/2, -ySize/2, xSize, ySize);
         ctx.restore();
-        ctx.drawImage(document.querySelector("#rulers"), 0, 0);
-        ctx.translate(-xSize/2, -ySize/2);
 
         ctx.filter = oldFilter
     });
+    ctx.drawImage(document.querySelector("#rulers"), 0, 0);
 }
 
 function exportCanvas(callback) {