Add schema.org to connect-sources

scripts/generateLayouts.ts

@@ -334,6 +334,7 @@ async function generateCsp(
         }
     }
 
+    hosts.add("http://www.schema.org") // We add schema.org as it must be http, not https
     if (hosts.has("*")) {
         throw "* is not allowed as connect-src"
     }

src/UI/SpecialVisualizations.ts

@@ -1728,7 +1728,7 @@ export default class SpecialVisualizations {
                         doc: "Attempt to load ld+json from the specified URL. This can be in an embedded <script type='ld+json'>",
                     },
                 ],
-                needsUrls: [Constants.linkedDataProxy],
+                needsUrls: [Constants.linkedDataProxy, "http://www.schema.org"],
                 constr(
                     state: SpecialVisualizationState,
                     tags: UIEventSource<Record<string, string>>,