update babel for dojo; closes codesandbox#2108

Author: SaraVieira

packages/app/src/sandbox/eval/presets/dojo/index.js

@@ -41,7 +41,17 @@ export default function initialize() {
   ]);
 
   preset.registerTranspiler(module => /\.jsx?$/.test(module.path), [
-    { transpiler: babelTranspiler },
+    {
+      transpiler: babelTranspiler,
+      options: {
+        isV7: true,
+        config: {
+          parserOpts: {
+            plugins: ['objectRestSpread'],
+          },
+        },
+      },
+    },
   ]);
 
   preset.registerTranspiler(module => /\.json$/.test(module.path), [