Rolledback some changes

Author: enicolasgomez

webapp/package.json

@@ -19,9 +19,9 @@
     "@material-ui/core": "4.12.1",
     "@material-ui/icons": "^4.11.2",
     "@material-ui/lab": "^4.0.0-alpha.60",
-    "@metacell/geppetto-meta-client": "file:.yalc/@metacell/geppetto-meta-client",
-    "@metacell/geppetto-meta-core": "file:.yalc/@metacell/geppetto-meta-core",
-    "@metacell/geppetto-meta-ui": "file:.yalc/@metacell/geppetto-meta-ui",
+    "@metacell/geppetto-meta-client": "1.2.0",
+    "@metacell/geppetto-meta-core": "1.2.0",
+    "@metacell/geppetto-meta-ui": "1.2.0",
     "@nosferatu500/react-sortable-tree": "3.0.5",
     "@sentry/integrations": "^6.16.1",
     "@sentry/react": "^6.16.1",

webapp/webpack.config.dev.js

@@ -7,9 +7,6 @@ extended.devServer = {
   port: 8081,
   inline: true,
   publicPath: '/geppetto/build',
-  headers: {
-    'Content-Security-Policy': "frame-ancestors 'self'"
-  },
   proxy: [
     {
       path: '/',