Modify usage of Gravatar

closes https://code.vereign.com/code/dashboard/issues/373

javascript/src/iframe/viamapi-iframe.js

@@ -610,6 +610,19 @@ const connection = Penpal.connectToParent({
 
       return responseToClient;
     },
+    identityPullAvatarFromGravatar: async () => {
+      const authenticationPublicKey = localStorage.getItem("authenticatedIdentity");
+      if (!authenticationPublicKey || !window.loadedIdentities[authenticationPublicKey]) {
+        return encodeResponse("400", "", "Identity not authenticated");
+      }
+
+      const success = extendPinCodeTtl(authenticationPublicKey);
+      if(!success) {
+        return encodeResponse("400", "", "Identity not authenticated");
+      }
+
+      return await executeRestfulFunction("private", viamApi, viamApi.identityPullAvatarFromGravatar);
+    },
     identityAddNewDevice() {
       return new Penpal.Promise(result => {
         const authenticationPublicKey = localStorage.getItem("authenticatedIdentity");