add emailService to VCardAttributes

Closes https://code.vereign.com/code/signing-service-agent/issues/32

javascript/src/iframe/viamapi-iframe.js

@@ -1505,6 +1505,16 @@ const connection = Penpal.connectToParent({
         );
       }
 
+      debugger;
+      try {
+        console.log("signVCard debug");
+        console.log({parts});
+        console.log("typeof parts", typeof parts);
+        console.log("typeof parts.unshift", typeof parts.unshift);
+      } catch(error) {
+        console.error(error);
+      }
+
       if (!parts) {
         parts = [];
       }