message: fix v1->v3 web3api.meta migrator
diff: @@ -4,8 +4,14 @@ import { MetaManifest as OldManifest } from "../0.0.1-prealpha.1";
  import { MetaManifest as NewManifest } from "../0.0.1-prealpha.3";
  export function migrate(old: OldManifest): NewManifest {
  - return {
  + const manifest: Record<string, unknown> = {
  ...old,
  + };
  +
  + delete manifest.name;
  +
  + return {
  + ...manifest,
  __type: "MetaManifest",
  format: "0.0.1-prealpha.3",
  displayName: old.name,
  