fix v1->v3 web3api.meta migrator

Author: dOrgJelli

packages/js/core/src/manifest/formats/web3api.meta/migrators/0.0.1-prealpha.1_to_0.0.1-prealpha.3.ts

@@ -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,