fix: pass error data to a metadata field in JS SDK

Author: shumkov

packages/js-dash-sdk/src/SDK/Client/Platform/broadcastStateTransition.ts

@@ -89,7 +89,9 @@ export default async function broadcastStateTransition(
     // instead of passing it as GrpcError constructor argument
     // Otherwise it will be converted to grpc-js metadata
     // Which is not compatible with web
-    grpcError.metadata = error.data;
+    grpcError.metadata = {
+      'dash-serialized-consensus-error-bin': error.data,
+    };
 
     let cause = await createGrpcTransportError(grpcError);