fix(embedded): download chart as image (#19339)

superset-embedded-sdk/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@superset-ui/embedded-sdk",
-  "version": "0.1.0-alpha.3",
+  "version": "0.1.0-alpha.6",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@superset-ui/embedded-sdk",
-      "version": "0.1.0-alpha.3",
+      "version": "0.1.0-alpha.6",
       "license": "Apache-2.0",
       "dependencies": {
         "@superset-ui/switchboard": "^0.18.26-0"

superset-embedded-sdk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@superset-ui/embedded-sdk",
-  "version": "0.1.0-alpha.5",
+  "version": "0.1.0-alpha.6",
   "description": "SDK for embedding resources from Superset into your own application",
   "access": "public",
   "keywords": [

superset-embedded-sdk/src/index.ts

@@ -104,6 +104,7 @@ export async function embedDashboard({
       iframe.sandbox.add("allow-same-origin"); // needed for postMessage to work
       iframe.sandbox.add("allow-scripts"); // obviously the iframe needs scripts
       iframe.sandbox.add("allow-presentation"); // for fullscreen charts
+      iframe.sandbox.add("allow-downloads"); // for downloading charts as image
       // add these ones if it turns out we need them:
       // iframe.sandbox.add("allow-top-navigation");
       // iframe.sandbox.add("allow-forms");